329

Engineering lessons in electronic circuits ii ac

Embed Size (px)

DESCRIPTION

 

Citation preview

  • ! #"%$&&'

  • (

  • )+*,,!-/.0,213.5467*98;:=78A@B>7F:,HG#IJ-K6LD0MN*A1C1PORQS@

    TVUXWHY[Z?U]\_^=`a!b=c;degf!h

    i;Y[a=jhkc]l/f=mghmnY[Z9o!epdrqhsa=bEf;drht_uva=w[a=qhx=oEyz[z!{

  • |}

    ~

    ((3/3

    |K3+|V|rVv#V

    }

    |F|0H|

    }

    |

    }

    v|

    }

    _

    #

    }

    ||rHF

    }

    33|r|F||C[rrk|

    }

    |_=|

    }

    H3

    /[|

    }

    E|

    }

    |

    }

    /C|

    }

    rF73||

    }

    0|0F/

    }

    vr

    }

    |PF73F|3|0|F|FX|X_r_v|

    |9rn;VXH

    H

    |V+v||FFHE

    H

    C

    !

    !

    ?

    !

    3|0

    }

    |

    }

    C|

    }

    /F|

    /K7_ACVs

    |E||

    F|FX|(

    |

    s|F|v|FF

    }

    ||

    3

    }

    PE||C

    F|F|X3FVr#(F|V|FFF|

    }

    r/srF#3

    }

    rr7V#/|F|

    |

    }

    F|C

    |||C!EF|=F!K!|

    }

    |#!V|

    F73

    F||C

    |v|

    (93

    }

    rvr7v_F#3_|

    |/#F30|sF#|

    }

    39##F|/

    H_%

    H

    }

    3#r|#|H

    }

    r3nF

    }

    H|F|

  • ||

  • '50sK/# '

    X|FFF|

    }

    F

    ///////////////

    (

    9k7F#/////////////////////

    F

    |r ////////////////

    3|

    }

    |

    }

    |

    }

    }

    |9/////////////////

    ///////////////////////

    F|

    }

    |=|//////////////////// (

    $ V

    0 $

    (F

    }

    F|_////////////////////// (

    ((;

    }

    F

    k7# ///////////////// (

    ( 3|

    }

    || /////////////////// (

    (

    9

    F|

    //////////////////

    (

    70

    }

    ||]//////////////////

    (

    F

    }

    FF| ////////////////

    (

    703||

    }

    /////////////////

    ( 3/|

    }

    |

    }

    |F //////////////// 3(

    sVv_vA /#_VP7VK 0 ""!

    }

    F|F

    }

    |

    }

    |FB//////////////////// #

    (

    |

    }

    F

    }

    |

    }

    |F2////////////////////

    3|F|p|

    }

    }

    |

    }

    |F //////////////// $

    [|p|

    }

    F

    }

    |

    }

    | ////////////////

    }

    H|/////////////////////

    v

    |0%[

    }

    ////////////////// &

    "

    sVv_vA /#_VVEsV7Kv '(!

    |F

    }

    |

    }

    |Fv////////////////////

    (

    }

    r

    }

    |

    }

    |

    }

    |////////////////////

    3|F|

    }

    }

    |F

    }

    |

    }

    |//////////////// )

    [|

    }

    r

    }

    |

    }

    |

    }

    |Fv//////////////// $

    r

    }

    ||F /////////////////////

    |||

  • | *,+.-0/213-4/65

    7

    sVv_vA /#_VP8; 9(

    3|/r%

    //////////////////// &

    (

    ?/E

    //////////////////// &

    3|nr[K%

    ////////////////// #(

    3#F ///////////////////////2

    ' /!#_V '&(

    }

    F|

    }

    r ///////////////////2&

    ( 3|

    F

    }

    |

    }

    |L9

    }

    /////////////2:

    3|V|9F

    }

    ///////////////////2

    |

    }

    |Fr

    }

    //////////////////2;

    }

    |F|p

    }

    |

    }

    |#///////////////2

    =Fv@?Av

    _ s 0B9 '$

    7

    3F

    }

    F|_//////////////////////2(&

    3( k|5////////////////////2(

    3 Hkr ////////////////////2;&

    3 r

    }

    FS|/////////////////2C&

    3

    |

    }

    |C%

    }

    //////////////////////2&

    9 [K

    0 'D''

    X|V5/////////////////////2;

    ( CpF/////////////////////2;(

    |n9rF/////////////////////2;&

    n9rFA/////////////////////2;

    pF /////////////////////2E(

    +/////////////////////2E)

    3#F ///////////////////////2;

    ! Kv_9#B

    0 'D9

    7

    #5F|

    }

    }

    K0|

    }

    |v//////////////2;

    #( FprvpFFFS//////////////2;#

    # %

    }

    F|

    }

    ?||R////////////////////2;#&

    #

    r|////////////////////////2;#&

    # X||

    }

    F| //////////////////B(

    # F;FF| ////////////////////B(

    # 3

    }

    |?F0|

    }

    |9//////////////B(&

    #

    }

    |

    }

    }

    |F| //////////////////B((

    '&0/0 # #007V $$

    7

    3|7p# /////////////////B((&

    (PFnr9 /////////////////B($

    rFF| /////////////////////B($:

    3|//////////////////B()r

    PFnr

    HG

    }

    F|//////////////B()D

    FnrFFF

    }

    |

    }

    | ////////////////B(

  • *,+.-0/21I-0/65

    ''vKJ [#VVs $

    7

    !

    9|0F||/rF

    }

    |

    }

    |

    }

    |/////////////B(#

    (P

    }

    F|

    //////////////B($&

    }

    |r9

    }

    //////////////////B($&

    }

    |

    }

    9

    }

    }

    FF

    }

    F|N////////////////B(&

    '$sL

    K

    7_ V7s007V $(

    ?V @BA~%p0C!A~P(

    EDFHGIGJKGJMLON0JPGRQOSITOUWVXGYLOZKG[JPU\Q]L_^`FaSbGcVXGbLd!GIGIFeLd!N0SbULOUWGQfgSbNhKi\JMjHTONlkU\JPGc^`Fm^`FHQOdnGToSbNFHQ]U\Q]LOUWFKpqN`D^

    QOUFKpiGrFhKstVXGITUWFusBUWiWGQfPvUWiWNsYGbL_GIT$QIfNTQONsYGrN`LOZHGIThKFKULN`DiUWFKG^TsBGR^QOhKT_GIsYGIFLw%NldnGkGITRfUxDd!GIT_GL_N

    JPGRQOSITOUWVaGZKNldyLONtLOT$^zkGIiKD{TONs,NFKGSIUxL|LONB^`FKNLOZKGTfr}d!NhKi\JYZH^zkGLONtjHTONlkU\JPGsYNT_GUWFPD{NT_sc^lLOUWNFYL_ZH^`Fo~hHQL

    LOZHGoJPUWQ]L_^FHSbGgVXGbLd!GIGFuLOZKNQ]GrLd!N[SbULOUWGQFnd!NhHiWJu^`i\Q]NYZH^zkGrLONcjKT_NlkUWJPGUWFPD{NT_sc^lL_UNFu^VaNhPLLOZKG

    `MO\l

    LONBL_T_^zkGIifK^Qd!GIiWiw

    ZKGcvUWFHJmN`DUFKD{NT_sY^`LOUWNFeLOZa^lLtGIjHTOGRQOQOGQg^QOUFHpiWG[JPUsYGFHQ]UWNFfQOhHS$Z^QgiWUWFKG^TtJPU\QL$^`FHSIGfUWQoS^`iWiGRJm^

    Po-

    hH^FLOUL|[UFqsc^lL_ZKGIsc^`LOU\SIQw%KSI^`i\^`TFhKsVaGT_Q^TOGLOZHGgvUWFHJuN`DFhKstVXGIT$Q|Nh

    kGrhHQ]GRJuUFusYNQ]L^`iWiN`D

    |NhKTsc^lL_ZKGIsc^lL_UWS^`i^`jKjKiWU\SI^lL_UNFHQQONYD^`TRw!ZKGgkNiL_^pGjKT_NJKhHSbGRJV|q^YVH^lLOLOGTO|fKD{NTGbK^`sYjKiWGfKU\Q^cQ_SI^iW^T

    hH^`FL_UxL|w%PNcUWQ!L_ZKGgTOGRQ]U\Q]L_^`FaSbGN`D^jHUGRSbGgN`DdUT_Gp{NZKscQ

    fPNTL_ZKGoSbhKT_T_GIFLLOZKT_NhKpZUL ^sYjHQ

    w

    Nld!GIkGITRfIdZKGFtd!GVXGIpUFgL_Nr^FH^`iW|IG^ixL_GIT_FH^lL_UFHpSbhKT_T_GIFLSbUWT$SbhKUL_QfldnGHFHJoLOZH^`L

    hH^`FL_UxL_UGRQNDHkNixL$^`pGf

    SbhHTOT_GIFLf^`FHJeGIkGIFeTOGRQ]U\Q]L_^`FaSbGSI^iiWGJ

    MK[li$

    UWF

    ^`T_GYFKN`LLOZHGYD^`sYUiWU\^`TgNFHGbJPUsYGFHQ]UWNFa^`i

    hH^`FK

    LOULOUWGQd!G

    TOGchHQOGJeL_NsYG^Q]hHTOUWFKpUWF,SIUT$SbhKUL_Qw0^`LOZKGTfLOZKGRQ]G

    hH^`FLOULOUWGQfVaGRSI^`haQ]GcL_ZKGI|

    TOGJP|FH^`sYU\S

    ^ixL_GIT_FH^lL_UFHpoUFuJPUWTOGRSLOUWNF[^FHJ[^sBjHiULOhHJKG

    fPjXNQ_QOGQ_QN`L_ZKGIT!JPUWsBGFHQOUNFHQL_ZH^lLsthaQL!VaGL_^`vGIF[UWFLONB^SISINhKFLRw

    KT_G

    hKGFHSb|e^`FHJejKZa^QOG[Q]ZKUDLt^`T_GYLd!NuNDnL_ZKGQOGJPUWsYGIFHQOUWNFHQL_ZH^lLtSINsYGcUWFL_NjKi\^z|wkGIFmdULOZmT_GIi\^lLOUWkGi|

    QOUsYjKiWGoSIUT$SbhKUL_QfPdZKGTOGd!G

    TOGrNFKiW|JPGR^`iWUFHpBdULOZ^YQOUFKpiGrD{T_G

    hKGFHSb|fPdnGgQ]LOUWiiZa^zkGLOZKGoJPUWsYGIFHQOUWNFuN`D

    jKZH^Q]GgQOZKUDLLON[SbNFLOGIFaJdULOZqUWFq^JKJPULOUWNFuLONBL_ZKGo^`sYjKiWUxL_hHJPGw

    FNT$JPGToLONMQ]hHSSbGRQOQ]D{hKiWi|m^`FH^i|G,SbUWT_SIhKUL_Qfd!G[FKGGJmL_N0d!NT_vMdULOZsc^`LOZKGsY^`LOU\SI^iNVK~GSL$Qt^FHJ

    LOGRS$ZKFKU

    hKGQYSI^jH^`VHiGN`DT_GIjKT_GQOGIFL_UFKp0LOZKGRQ]GusthKiLOUJPUsYGFHQ]UWNFa^`i

    ha^`FLOULOUWGQwGTOGUWQBdZKGTOGudnGFKGIGRJL_N

    ^`Va^`FHJPNFQOS^`i\^`TgFhKstVXGIT$QgD{NTtQONsYGbL_ZKUFHp0VaGIL]L_GITQOhKULOGRJ

    $-!erbY$P

    whHQ]LtiUWvGYL_ZKGGIK^`sYjKiWGcN`D

    pUWkUFHpMJPUWTOGRSL_UNFHQoD{T_Ns&NFKGSIUxL|eLONm^`FHN`LOZHGITRf

    ha^`FLOULOUWGQUFy^QOUFHpiWGbD{TOG

    hHGIFHSI|eSIUT$SbhKULZa^zkGVXN`L_Z

    ^`sYjKiWULOhHJPG^FH^`iWNp|!JPU\Q]L_^`FaSbG

    ^`FaJjKZH^Q]GBQ]ZKUDLH^`Fa^`iWNp|JPUWTOGRSLOUWNF

    wSINsYjKiWGbFhKstVXGITrUWQr^QOUWFKpiWG

    sc^lL_ZKGIsc^lL_UWS^`i

    hH^FL_UxL|^`VKiWGLONYGbPjKT_GQ_QnLOZKGRQ]GLd!NcJPUWsBGFHQOUNFHQN`D}^`sYjKiWUxL_hHJPGo^FHJjHZH^QOGgQ]ZKUDL^`LNFHSbGw

    nNsYjKiWGbcFhKsVaGT_Q!^`T_GGR^QOUGTL_NpT_^Q]jcdZKGF[L_ZKGI|

    TOGrTOGjKT_GQOGIFLOGRJYpT$^`jKZKU\SI^iiW|wEDJKT_^zd^tiUWFKGdUxL_Z

    ^0SIGITOL_^`UWFiWGIFKpLOZ{sc^pFKULOhHJKG

    ^FHJ^`FHpiWGjJPUWTOGRSL_UNF

    f~gZH^zkG[^pT$^`jKZHUWSYT_GIjKT_GQOGIFL$^lLOUWNFeN`D^SbNsYjKiWGb

    FhKstVXGITdZHUWS$ZqU\QSbNsYsYNFHi|[vFKNldFuUWFujHZ|PQOUWSQ^Q^

    l+P

    -

  • l nH0n0 n

    length = 7angle = 0 degrees

    length = 10angle = 180 degrees

    length = 5angle = 90 degrees

    length = 4angle = 270 degrees

    (-90 degrees)

    length = 5.66angle = 45 degrees

    length = 9.43

    (-57.99 degrees)angle = 302.01 degrees

    UWvGJKUWQ]L_^FHSbGRQ^`FHJcJKUT_GSbLOUWNFHQ}NF[^gsc^`jfLOZKGTOGsthHQ]LVXGQ]NsYGSbNsBsYNFD{T$^`sYGNDXT_GbD{GTOGFHSbGD{NTn^FKpiWG

    HphKTOGRQL_NZa^zkGn^F|rsYGR^`FKUWFKpHwFoL_ZKUWQS^QOGf`JPUWTOGRSL_i|gT_UpZLU\QSINFHQOU\JPGIT_GJL_NVXGzf^FHJo^FKpiWGQ^`T_GnSINhKFLOGRJ

    UWFq^BjXNQOUxL_UkGgJPUT_GSbLOUWNFupNUFKpcSINhKFLOGT]SbiWNPS$vdUWQOG

    0 o

    90 o

    180o

    270o(-90o)

    The vector "compass"

    ZKGU\JPGR^gN`DT_GIjKT_GQOGIFLOUWFKpg^gFhKsVaGTUWFcpT$^`jKZKU\SI^iPD{NT_s,UWQFKN`L_ZKUFHpoFKGIdgweG^`iWiHiWG^TOFHGJBLOZHUWQUFcpT_^JPG

    Q_S$ZKNNidULOZuLOZKGoFhKstVXGITiWUFKG

    0 1 2 3 4 5 6 7 8 9 10

    . . .

    eG!GkGFtiWG^`T_FKGRJoZKNld^JKJPULOUWNFB^`FHJBQ]hHVPLOT$^SbLOUWNFtd!NT_vPQV|oQOGIGUFKprZKNldiWGIFHp`LOZaQsc^`pFHUxL_hHJPGQ

    QL$^S$vGJ

  • KW(g!I

    hKjuLONYpUkG^HFa^`i^FHQ]d!GITR

    0 1 2 3 4 5 6 7 8 9 10

    . . .

    5 38

    5 + 3 = 8

    ^`LOGTfzd!GiWG^`T_FKGRJrLOZH^`LL_ZKGIT_Gd!GIT_Gd^z|QLONrJPGQOUpFH^lL_GL_ZKGnkl^ihKGRQ

    $P$I

    L_ZKGdZKNiGnFhKstVXGIT$Qsc^TOvGJ

    NFLOZHGgiUWFKGwZHGQOGgdnGTOGD{T_^SL_UNFH^`iNTJPGSIUsc^`i

    hH^FLOULOUWGQ

    0 1 2 3 4 5 6 7 8 9 10

    . . .

    3-1/2 or 3.5

    ^`LOGT!|GbLd!GiGR^`T_FKGJLOZH^`LLOZKGgFhKsVaGTiUWFKGoSINhKi\JGILOGIFaJL_NBLOZKGgiWGbDLNDGIT_NY^QdnGii

    0 1 2 3 4 5. . .. . .

    -1-2-3-4-5ZKGRQ]GHGIi\JKQNDFhKstVXGIT$QV{dZKNiGfUFL_GIpGTfT$^lL_UNFH^`ifUT_T$^lLOUWNFa^`ifXT_G^ifGIL_Sw

    iWG^TOFHGJ0UWFepT$^JPGBQOS$ZKNNi

    QOZH^`T_Gt^[SINsYsYNFqLOT$^`ULL_ZKGI|

    TOG^`iWi

    `XI0lMcb$`i-

    wrZHGQ]LOT$^`UWpZLOFKGRQOQN`D}LOZHGtFhKstVXGITriWUFKGUiWiWhHQL_T_^`LOGRQ

    LOZHUWQpT$^`jKZHUWS^`iWi|wqNhSI^FsYNlkGchKjNTJKNldFmLOZKGFhHstVXGITBiUWFKGf}VHhPLB^ii!`sYN`L_UNFH0^`iWNFHpqLOZH^`LiWUFKGUWQ

    T_GQ]LOT_UWSbLOGJLON^QOUWFKpiWG0^lPU\Q{ZKNTOUINFL$^`i

    wFKGIEJKUsYGIFaQ]UWNFH^ifQ_SI^`i\^`TYFhKsVaGT_Qc^TOGjXGITOD{GSbLOiW|^JKG

    hH^lL_G

    D{NTYSbNhKFLOUWFKp0VXG^JKQIf}T_GIjHTOGRQ]GFL_UFHp0dnGUpZLfNTsBGR^QOhKT_UFKpMVH^`L]L_GIT_|ekNiL_^pGfVKhKLtLOZHGI|mD^`iWiQ]ZKNT]LN`D

    VXGIUWFKp[^`VKiWGrLONcT_GIjKT_GQOGIFLQ]NsYGbLOZHUFKpcsYNTOGgSbNsYjKiGIiWUvGL_ZKGoJPU\QL$^`FHSIG

    l

    JPUT_GSbLOUWNFuVaGILdnGGIFuLd!NYSIUxL_UGRQIf

    NToLOZKG^sYjKiULOhaJPG

    l

    jKZH^Q]GcND^`Fd!^zkGbD{NT_sqw[NTOGjKTOGRQ]GFLrL_ZKGQOG[vUWFHJKQgND

    hH^FLOULOUWGQfd!GcFKGIGRJ

    sthHixL_UWJPUWsYGIFHQOUWNFH^iaT_GIjKT_GQOGIFL$^lLOUWNFaQIwF[N`L_ZKGIT!d!NT$JKQIfd!GFKGGJ[^tFhHstVXGIT!iUWFKGLOZH^`LS^`F[jXNUWFLnUWFJPUXGTOGFL

    JPUWTOGRSL_UNFHQIfK^FHJLOZH^`L

    QGbK^SbLOiW|[dZH^`L^kGSbLONTU\QIw

    b&%

    Po-

    FhKsVaGT!U\Q!LOZHGL|jXGrNDsc^lL_ZKGIsc^lL_UWS^`iNVK~GSL!LOZa^lLjaGNjKiWGr^TOGrhHQOGJ[LONBhHQ]UWFKpBUFGIkGIT_|JH^z|

    iUD{G^BNFHGbJPUsYGFHQ]UWNFa^`i

    hH^`FLOUL|[iWUvGLOGsBjXGIT$^lL_hKT_GfPiWGIFKpLOZfKd!GIUWpZLRfPGbL_Sw

    $-!urbY$P

    U\Q^BsY^`LOZKGsc^lLOU\SI^i

    hH^`FLOUL|[T_GIjKT_GQOGIFL_UFKpLd!NBJPUWsYGIFHQOUWNFHQNDsc^`pFKULOhHJPGg^FHJ

    JPUT_GSbLOUWNFw

    zPE-

    UWQ^pT$^`jHZKUWS^`iT_GIjHTOGRQ]GFL$^lL_UNFeND^0SbNsBjHiGIeFhKsVaGTwELtiWNNvPQoiWUWvG^F^`T_TONldgfdUxL_Z^

    QL$^`TOLOUWFKpjXNUWFLf^L_Ujf^uJKGbHFKULOGYiWGIFKpLOZf^`FHJM^qJPGbHFHUxL_G[JPUT_GSbLOUWNFwVNsYGILOUWsBGRQrLOZKGYd!NT$J

    H#FZI-

    UWQhHQ]GRJqUFGiGRSL_TOU\SI^i^`jKjHiU\SI^`LOUWNFHQdZHGIT_GgLOZKGB^`FKpiGgNDLOZKGokGSbLONTTOGjKTOGRQ]GFL_QjKZa^QOGoQ]ZKUDLVXGbLd!GIGF

    d!^zkGbD{NT_scQIw

  • ` nH0n0 n

    ?V? !A %# (`

    vl^z|fHQONYZKNldGbK^SbLOiW|SI^Fd!GgT_GIjKT_GQOGIFL

    ha^`FLOULOUWGQNDkNiL_^pGNTSIhKTOT_GIFLUWFuLOZKGgD{NTOsN`D}^YkGRSLONT$

    ZKGgiWGIFKpLOZuN`DLOZKGgkGSbLONTT_GIjKT_GQOGIFL$QL_ZKGgsc^`pFKUxL_hHJPGpNT^`sYjKiWULOhHJPG

    N`DLOZKGgd^zkGID{NT_sqfiWUvGrLOZKU\QI

    AmplitudeLength

    Waveform Vector representation

    ZKGpT_G^lL_GITLOZKGc^`sYjKiWULOhHJPGBN`DLOZKGBd!^zkGbD{NTOsqfKL_ZKGYpT_G^`LOGITLOZKGBiWGIFKpLOZNDUxL$QSbNT_T_GQOjaNFHJPUWFKp[kGRSL_NTRw

    ZKGu^`FKpiG[NDLOZKGukGRSL_NTRfZHNldnGkGITRfTOGjKTOGRQ]GFL_QL_ZKGjHZH^QOGQOZKUxDLYUWFJPGIpTOGGQtVaGILdnGGIFL_ZKGd^zkGID{NT_sUWF

    hKGQ]LOUWNF^`FHJ^FKN`L_ZKGITd!^zkGbD{NTOs^SbLOUWFKp^Qu^TOGID{GIT_GIFHSIGmUWFL_UsYGwQOhH^iiW|fdZHGIFL_ZKGejKZH^QOG0NDt^

    d^zkGbD{NTOsUF^gSIUT$SbhHUxLU\QGIPjKTOGRQOQOGJfULnU\QT_GbD{GIT_GIFaSbGJL_NgLOZKGjaNld!GITnQ]hKjHjKi|BkNixL$^`pGd!^zkGbD{NT_s^`T_VKUxL_T_^TOUWiW|

    Q]L_^lL_GJL_NVXGn^`L_

    wGsBGstVXGITLOZH^`LjKZH^Q]GUWQ^`iWd!^z|PQ^

    O\Mz

    sYG^QOhKT_GIsYGIFLVXGbLd!GIGFgLd!Nd!^zkGbD{NT_scQ

    T$^lLOZHGITLOZa^`Fq^`F^`VHQONiWhPL_GjKT_NjXGITOL|w

  • K Kronn r

    A

    B

    Phase shift = 90 degrees A is ahead of B

    (A "leads" B)

    B APhase shift = 90 degrees

    B is ahead of A(B "leads" A)

    A

    BPhase shift = 180 degreesA and B waveforms are

    mirror-images of each other

    A

    B

    Phase shift = 0 degreesA and B waveforms are

    in perfect step with each other

    (of "A" waveform withreference to "B" waveform)

    B

    A

    B

    A

    BA

    A

    B

    90 degrees

    -90 degrees

    180 degrees

    Waveforms Phase relations Vector representations

    BA

    B

    A

    phase shift

    angle

    ZKGpT_G^lL_GITLOZKGjKZH^QOGQOZKUDLgUFJKGIpT_GIGRQVXGbLd!GIGF0Ld!N[d!^zkGbD{NTOscQfKLOZHGpTOGR^lLOGTL_ZKGB^FKpiWGtJPUGIT_GIFHSIG

    VXGbLd!GIGIFqL_ZKGSINT_TOGRQ]jXNFaJPUFHpckGSbLONT_QwnGUFHp^cT_GIi\^lLOUWkGgsYGR^QOhKTOGsYGIFLfaiUWvGkNiL_^pGfKjKZH^Q]GtQOZKUDL*kGSbLONT

    ^`FHpiWG

    NFHi|ZH^QsYG^FKUWFKpcUFT_GbD{GTOGFHSbGrL_N[Q]NsBGoQ]L_^FHJK^T_Jd!^zkGbD{NTOsqwrGIFHGIT$^`iWi|cL_ZKU\Q`T_GbD{GTOGFHSbGRtd^zkGI

    D{NT_s2U\QL_ZKG!sY^UFBmjXNldnGTQOhKjKjKiW|okNiL_^`pGUWFtL_ZKG!SIUT$SbhHUxLRwEDKL_ZKGIT_G!UWQsYNT_GL_ZH^`FNFKGekNiL_^`pGQONhKT$SbGf

    LOZHGIFqNFKGgNDL_ZKNQOGgQ]NhKT$SbGQ!U\Q^`T_VKULOT$^`T_UiW|[S$ZKNQ]GFL_NBVXGgL_ZKGgjKZH^Q]GT_GbD{GIT_GIFaSbGrD{NT^iiNLOZKGTsYG^QOhKT_GIsYGIFL$Q

    UWFL_ZKGoSbUWT$SbhKULw

    ZKU\QoSbNFHSbGjPLtND^qT_GbD{GTOGFHSbGcjXNUWFLtU\QgFKN`LhKFKiWUvGcLOZH^`LtN`DL_ZKG`pTONhKFHJKjXNUWFLUF^0SIUT$SbhHUxLgD{NToLOZHG

    VXGIFKGIKLNDkNiL_^pGgT_GbD{GIT_GIFaSbGw!ULOZM^cSIiGR^`T_i|uJPGbaFKGJjXNUWFLUWFLOZKGSbUWT_SIhKUxLrJPGSIiW^TOGRJuLON[VXGt`pTONhKFHJf YUL

    VXGSbNsYGQjXNQ_QOUVKiWGLONoL_^`iWv^VaNhPLkNiL_^`pG`NFHrNT^lL_gQOUWFKpiWGjaNUFL$QUWF[^oSbUWT_SIhKULfVXGIUWFKpohHFHJPGIT$Q]LONNPJBLOZH^`L

    LOZHNQOGkNixL$^`pGQp^`iWd!^z|PQgT_GIi\^lL_UkG[VaGILdnGGIF

    jXNUWFL_Q

    ^TOG[T_GbD{GTOGFHSbGRJeLONe`pT_NhHFHJw nNT_TOGRQ]jXNFHJKUFKpi|f

    dULOZ^mSbiWG^TOiW|JPGIHFKGJyjXNUWFLN`DTOGID{GIT_GIFHSIGuD{NTcjKZH^Q]GUL[VXGSbNsYGQcjXNQ_Q]UWVKiWGqLONQOjaGR^`vNDrkNiL_^pGQY^FHJ

    SbhHTOT_GIFL_QUF[^FYSIUT$SbhKULZH^zkUWFKpoJPGbaFKUxL_GjKZH^Q]G^`FKpiGRQIw}K^`sYjKiWGlLOZHGSbhKT_T_GIFL}LOZKT_NhHpZYTOGRQ]U\Q]LONTUWQ

    l

    w

    sYUiWiWUW^sBjaQ^lL!

    JPGpT_GIGRQIf odZKU\S$ZusBGR^`FHQnL_ZKGoSbhKT_T_GIFL!d^zkGID{NT_siW^pQ

    `

    VXGIZKUWFHJLOZKGsc^`UWFqQ]NhKT_SIG

    kNixL$^`pGd^zkGID{NT_suw

    b&%

  • - nH0n0 n

    ZKGIFuhHQOGJcL_NBJKGQ_SbT_UVXGr^F

    ha^`FLOUL|fLOZHGriWGIFHp`LOZN`D^tkGSL_NT!TOGjKT_GQOGIFL_QLOZKG^`sYjKiWULOhHJPGNDLOZHG

    d!^zkGdZKUWiGLOZHG^FKpiWGrN`D^kGRSL_NT!TOGjKTOGRQ]GFL_QLOZKGjKZH^Q]G^`FHpiWGNDLOZHGrd^zkGTOGiW^`LOUWkGLONcQ]NsYGNLOZKGT

    {T_GbD{GIT_GIFaSbG

    d^zkGID{NT_suw

    ?V$ d3\(!A~ jA~\*

    GsBGstVXGITYL_ZH^lLckGRSL_NT$Q^TOGusc^lLOZHGIsc^lL_UWS^`iNVK~GSL$Q~hHQLciWUvGqFhHstVXGIT$QNFy^MFhKstVXGITciWUWFKGLOZKG|SI^F

    VXGq^JKJPGRJfnQOhKVPL_T_^SLOGRJfshKiLOUWjKiUWGJf!^FHJJKUkU\JPGJwJHJPUxL_UNFUWQYjXGIT_ZH^`jaQtL_ZKGqG^Q]UWGQ]LckGSbLONTNjaGT_^`LOUWNF

    LONukUWQOhH^iUIGfQ]NudnG

    iWiVaGpUWFdULOZMLOZH^`Lw(EDnkGRSL_NT$QdULOZmSbNsYsYNFe^`FKpiGRQ^TOGY^JHJPGJfL_ZKGIUWTsc^`pFHUxL_hHJPGQ

    {iWGIFHp`LOZaQ

    ^JKJhHj~haQLiWUWvGTOGphKi\^`TQ_SI^iW^T

    hH^FL_UxL_UGRQI

    length = 6angle = 0 degrees

    length = 8angle = 0 degrees

    total length = 6 + 8 = 14

    angle = 0 degreesUWsYUi\^`T_i|fUDkNixL$^`pGQONhHT_SIGQ}dULOZcL_ZKGQ_^`sYGjKZa^QOG^`FKpiG^`T_GSbNFHFKGSbLOGJcLONpGbL_ZKGITUWFQOGIT_UGRQIfLOZKGUT

    kNixL$^`pGQ^JKJt~hHQ]L^Q|NhusBUWpZLGIjXGSbLdUxL_ZVH^lLOLOGTOUWGQ

    0 deg 0 deg

    0 deg

    - + - +

    - +

    - + - +

    - +

    6 V 8 V

    14 V 14 V

    6 V 8 V

    iWG^Q]GFKNLOGL_ZKG E

    ^`FHJ{

    jXNi\^`T_UL|tsc^`T_vPQFKGbLL_NgLOZKGiGR^JKQ}NDLOZKGLd!NoQ]NhKT_SIGQwkGFtL_ZKNhKpZ

    d!GovFKNld2JKNGRQ]F

    LrZH^zkGojaNiW^TOUL|PYUFL_ZKGQ_^`sYGtQOGIFaQ]GgL_ZH^lLrJPNGRQIfaLOZKGRQ]Gsc^`T_vQ^`T_GoGQ_Q]GFLOU\^`iL_N

    vFKNldUWFKp[ZKNldL_NT_GbD{GIT_GIFaSbGoL_ZKGBpUWkGIFjHZH^QOG^FKpiWGQN`D}L_ZKGkNiL_^pGQwZKU\QrdUiWiVaGRSbNsYGBsYNT_Gt^`jKja^`T_GIFL

    UWFL_ZKGgFKGILGIK^`sYjKiWGw

    EDkGSL_NT$QnJKUT_GSbLOiW|cNjKjXNQOUFHptG^S$Z[N`L_ZKGIT]

    NhPL!NDjKZH^Q]G

    ^TOG^JHJPGJ[LONpGbL_ZKGITRfL_ZKGIUWTsc^`pFHUxL_hHJPGQ

    {iWGIFHp`LOZaQ

    QOhKVPL_T_^SL~hHQ]LiUWvGgjXNQOUxL_UkGg^`FHJFKGIp^lL_UkGQ_SI^iW^T

    ha^`FLOULOUWGQQOhKVPL_T_^SLdZKGIF^JKJPGJ

    length = 6 angle = 0 degrees

    length = 8

    total length = 6 - 8 = -2 at 0 degrees

    angle = 180 degrees

    or 2 at 180 degreesUWsYUi\^`T_i|fKUDNjKjXNQOUFKp[kNiL_^`pGgQ]NhKT_SIGQ^TOGoSINFKFKGRSL_GJuUF0QOGIT_UWGQfPLOZKGUTkNixL$^`pGRQQ]hHVPLOT$^SbL^Q|Nh

    sYUpZLGbPjaGRSLdULOZ0gVH^`L]L_GIT_UGRQSbNFHFKGSbLOGJUWFq^FNjKjXNQOUFKpBD^Q]ZKUWNF

  • KPy0nPI

    0 deg- + - +

    - +

    - + -+

    -+

    180 deg

    180 deg

    6 V 8 V6 V 8 V

    2 V 2 V

    GbLOGTOsYUWFKUWFKpYdZKGbL_ZKGITNT!FHN`LLOZKGRQ]GgkNiL_^pGQONhHT_SIGQ^`T_GNjKjXNQOUFKpBG^S$ZNLOZKGTTOG

    hHUT_GQ^`FuGbK^sBUWFH^`

    LOUWNFN`DKL_ZKGIUWT}jXNi\^`T_UxL|sc^`T_vUFKpQ

    `i

    LOZKGUT}jHZH^QOGn^FKpiWGQwN`LOU\SbG!ZKNldL_ZKG!jaNiW^TOUL|gsc^`T_vUWFKpQUWFtL_ZKG!^VaNlkG

    JPU\^`pT_^sQ]GGIsLONcUWFHJPU\SI^lL_Go^JKJKUxL_UkGgkNiL_^pGRQD{T_NsiWGbDLLONcT_UpZLRfKd!GoQ]GGn^`FHJ0NFuLOZHG

    kNiLQONhKT$SbGf

    r^FHJNFmLOZHG

    kNixLtQONhHT_SIG

    wqkGIFeLOZHNhKpZmLOZKGRQ]G[jXNi\^`T_UL|sc^`T_vUFKpQdnNhKi\JmFKNT_sc^`iWi|0UWFHJPU\SI^`LOG^F

    `[lMMz

    GbGSbLUFc^ggSIUT$SbhHUxLL_ZKGLd!NkNiL_^pGRQd!NT_vUFHpL_NpGILOZKGTLONjKT_NPJPhHSbG^rpTOGR^lLOGTLON`L$^`iPkNiL_^`pG

    f

    UWFqLOZKU\QSbUWT_SIhKULLOZKG|

    T_Go^SbLOhH^iiW|jKhaQ]ZKUWFKpcUWFNjKjXNQOULOGoJPUWTOGRSL_UNFHQVXGSI^hHQOGgNFKGgNDL_ZKNQOGgkNixL$^`pGQZH^Q

    ^YjKZH^Q]G^`FKpiGN`D^`FHJuL_ZKGoN`L_ZKGIT^cjKZH^Q]Go^FKpiWGgN`D

    RwZKGoT_GQOhKiLfHNDSbNhHT_QOGfKU\Q^YL_N`L$^`ikNiL_^`pGN`D

    kNixL$QIw

    eGoSbNhHiWJZH^zkGn~hHQ]L^Q!d!GIiWiQOZKNldFL_ZKGgNjHjaNQ]UWFKpBkNiL_^pGRQ!QOhKVPL_T_^SL_UFKpYUWFQ]GTOUWGQ!iWUvGLOZKU\QI

    0 deg- + - +

    - +

    - +

    -+

    180 deg

    6 V8 V

    6 V8 V

    2 V 2 V

    0 deg

    - +

    NLOGZKNld,LOZKGujaNiW^TOULOUWGQ^`jKjXG^TtL_NVXGNjKjaNQ]GRJmLONMG^S$ZN`LOZHGITBFKNldgf}JPhKGLON0L_ZKGT_GIkGIT$QO^iN`DdUT_G

    SbNFKFKGRSLOUWNFaQNFL_ZKG

    kNiLoQ]NhKT_SIGw(PUFHSIGYVaNLOZmQ]NhKT_SIGQ^`T_GtiWU\QL_GJm^QrZH^zkUWFKpG

    hH^`ijKZH^Q]GY^`FHpiWGQV

    f

    LOZHGI|BLOT_hKiW|Y^TOGNjKjXNQOGJBL_NtNFHG^`FHN`LOZHGITRf^`FaJYLOZKGNlkGT_^iiKGIXGRSL!UWQLOZKGrQO^sYG^QLOZKGD{NT_sYGITnQ_SbGFH^`T_UWNodUxL_Z

    ^JKJPULOUWkGRtjXNi\^`T_UxL_UGRQ^`FHJuJPUXGTOUWFKpcjKZa^QOG^FKpiWGQ}^LON`L$^`ikNiL_^`pGNDNFKiW|

    kNiL_Qw

  • nH0n0 n

    0 deg- + -+

    - +

    180 deg

    0 deg

    0 deg+ -

    6 V 8 V

    2 V

    2 V

    Just as there are two ways toexpress the phase of the sources,there are two ways to expresstheir resultant sum.ZKGT_GQOhKiL_^FLnkNiL_^pGS^`FcVXGGbPjKT_GQ_QOGJYUWFcLdnNoJKUxGIT_GIFLnd^z|PQI

    kNixL$Q^`L

    dULOZcL_ZKG({

    Q]|sVaNi

    NF[LOZKGiGIDL!^`FaJYLOZKG*

    Q]|sVaNiHNF[LOZKGTOUWpZLfNT

    kNixL$Q^`L!dUxL_Z[LOZHG(

    Q]|sVaNiaNFYLOZKGiGIDL^FHJYLOZHG

    Q]|stVXNiXNF[LOZKGrTOUWpZLRwT_GIkGT_Q_^`iHN`DdUWTOGRQD{T_Ns^`FukNixL$^`pGQ]NhKT_SIGU\QL_ZKGQO^sBGr^QnjKZH^Q]GIEQOZKUDLOUWFKp

    LOZa^lLQONhKT$SbGrV|

    Rw

    8 V180 deg- +

    8 V-+

    0 degThese voltage sourcesare equivalent!

    ?V] (% ( H*\AX

    Ni\^`T_UL|[sc^`T_vUWFKpQdUxL_ZKUWFSbUWT_SIhKULQOS$ZHGIsc^lL_UWSQIfX^`FHJqZKNldL_ZKGQOGtsc^`T_vUFHpQT_GIi\^lLOGoLON[jKZa^QOGt^`FKpiGRQIfaUWQ

    ^BjaNLOGFL_UW^iiW|SINFPD{haQ]UWFKpcQ]hHVP~GSbLwD{GIdUWiiWhHQ]LOT$^lLOUWNFaQnsc^z|[ZHGIiWjL_N[Sbi\^`T_UxD{|[LOZKGgU\QOQOhKGw

    GsBGstVXGITYL_ZKUWQYUWsYjaNT]L$^`FLcTOhHiGjKZH^QOGuUWQ[^

    OPo-Ml

    sYG^Q]hKT_GIsYGFLRfL_ZKG0^`sYNhHFLcNDrQOZKUxDL^id^z|PQ

    VXGIUWFKpYTOGID{GIT_GIFHSIGJcL_NYNFKGrjH^`TOLOU\SbhHiW^T!d^zkGID{NT_sUWFq^BSIUT$SbhHUxLRwd^zkGID{NT_sV|[UL_QOGIiDT_G^iiW|[JPNGQOF

    LZH^zkGr^

    jKZH^Q]GwELU\QNFKiW|dZHGIFqdnGoSINsYjH^TOGULdUxL_ZN`LOZHGITd^zkGbD{NTOscQnLOZa^lLd!GgSI^`FQ_^`sYGo^`F|LOZHUFKpYsYG^FKUWFKp`D{hKi

    ^`VXNhKL!`UL_QnjKZH^Q]Gw FHJdZKGIFdnGTOGID{GIT_GIFHSIGLONY^gd^zkGbD{NTOsqfdnGsthHQ]L!sc^vGQOhKT_Gd!GvFKNld

    #$#Ii

    N`D

    LOZa^lLnd^zkGID{NT_s

    Q}QONhKT$SbGUWQnQ]GTOkUWFKpt^QLOZKGTOGID{GIT_GIFHSIGjXNUWFLRw}Ni\^`T_UxL|osc^TOvPQNF[kNixL$^`pGQONhHT_SIGQ}GIU\Q]L

    QOUsYjKiW|cLONBjKT_NlkUWJPG^tD{T_^sBGNDTOGID{GIT_GIFHSIGD{NTjKZH^QOG^`FKpiGRQIfT$^lLOZHGIT!LOZH^FL_NB^SL_hH^`iWi|[JKGIFKNLOGjaNiW^TOUL|cN`D^

    T_G^`ikNiL_^pGw

    ZKU\QU\Q!^`FH^iNpNhaQLONLOZKGjaNiW^TOUL|sc^TOvUWFKpgN`DgykNiLOsYGbL_GITL_GQ]L!iWG^JKQnV|cSINiWNTRT_GJ[^FHJ[VKi\^S$vwF

    GIiWGSbLOT_NFKU\SIQnd!NT_vXfT_GJcL|jKU\SI^iiW|cT_GIjKT_GQOGIFL_Qn`jXNQOUxL_UkG^`FHJVKiW^S$vYL|jKUWS^`iWi|YT_GIjKT_GQOGIFL$QnFKGIp^lLOUWkGw tNGQ

    LOZHUWQsYG^FL_ZH^lLL_ZKGYTOGRJ0L_GQ]LiWG^J0NFe^kNixL_sBGILOGTrdUWiWi

    `Z

    VXGcSbNFHFKGSbLOGJLONLOZHGcjaNQ]ULOUWkGYQ]U\JPGYN`D!^

    kNixL$^`pGtQ]NhKT$SbGt^FHJL_ZKGtVKi\^S$vuL_GQ]LriWG^J

    `Z

    SbNFKFKGRSLOGRJL_N[LOZHGFKGp^`LOUWkGRDnSINhKT$Q]GtFKN`LRrZHNGkGT

    hHQOGQLOZKGokNiLOsYGbL_GITU\QD{T_GIGoLONSINFKFKGRSLUL^SbT_NQ_Q^ckNixL$^`pGgQONhKT$SbGgZHNldnGkGITL_ZKGI|ujKiWG^Q]Gw!Za^lLL_ZKGoL_GQ]L

    iWG^JSbNiWNT$QtJKNU\QtjKT_NlkUWJKG^

    +c

    O

    POIi$

    D{NTLOZKGusc^lL_ZKGIsc^lL_UWS^`iQ]UWpFN`DLOZHGuJPU\QOjKiW^z|GJkNiL_^pG

  • KP2ob

    P"

    HphKTOGfKQ]NBL_ZH^lLL_ZKGosYGbL_GIThHQOGITvFKNldQdZH^`L^BFKGIp^lLOUWkGNTjaNQ]ULOUWkGUWFHJPU\SI^lL_UNFqTOGR^`iWi|[sYGR^`FHQUWFqTOGiW^`LOUWNF

    LONc^SLOha^`iSIUT$SbhKULjaNiW^TOUL|

    COMA

    V

    V A

    AOFF

    6 V

    COMA

    V

    V A

    AOFF

    6 V

    Test lead colors provide a frame of referencefor interpreting the sign (+ or -) of the metersindication.

    UWvGdUWQOGf

    ^FHJ

    jXNi\^`T_UxL|sY^TOvUWFKpQ!D{NT^FqkNiL_^`pGgQ]NhKT_SIGo^`T_GgpUWkGFqQOUWsBjHi|LON[jHTONlkU\JPGg^

    D{T$^`sYGtNDTOGID{GIT_GIFHSIGgD{NTrUFL_GIT_jKTOGILOUWFKpcL_ZH^lLgQ]NhKT$SbG

    QQ]L_^`LOGRJjKZH^Q]GB^`FKpiGwFHN`LOZHGITrUiWihaQL_T_^`LOUWNFsc^z|qZKGIiWj

    UWFehHFHJPGIT$Q]L_^`FaJPUFHpL_ZKU\QIwdPhKjKjXNQOGYLOZH^`LgLdnNqhKFKi\^`VXGIiWGJmgkNiL_^pGYQ]NhKT$SbGQ^TOGcSbNFKFKGRSLOGRJMLONpGbL_ZKGITgUWF

    QOGIT_UGRQIf^`FaJ0d!Gd^`FLL_NL_TO|qL_NuJKGbLOGTOsYUWFKGYdZH^lLrLOZHGtL_N`L_^iTOGRQ]hKiL_^FLrkNiL_^`pGoU\QV|T_G^JPUFHp[LOZHGBkNiL_^pG

    ^SITONQOQG^S$Z0NFKG{UWFHJPUWkUWJKhH^`iWi|

    dUxL_Ze^kNixL_sBGILOGTfXLOZHGIFeGIULOZKGT^JKJPUWFKpNTrQOhKVPL_T_^SL_UFKpusc^lL_ZKGIsc^lL_UWS^`iWi|

    LONBHFaJuLOZKGg^`FaQ]d!GITRw}UWT$QLRfPdnGgd!NhKi\JsBGR^QOhKT_GL_ZKGgkNixL$^`pGrN`DNFHGQONhHT_SIG

  • [ nH0n0 n

    COMA

    V

    V A

    AOFF

    Source 1 Source 2

    Total voltage?

    The meter tells us +24 volts

    ZKU\Q!HT$QLsYG^Q]hKT_GIsYGFLN`D

    l

    ^SITONQOQLOZKGgiWGbDLOZa^`FHJkNixL$^`pGQONhKT$SbGLOGii\QhHQ!LOZa^lLLOZKGgVHiW^S$vciGR^JN`D

    LOZHGBsYGILOGITT_G^iiW|qUWQrL_NhHS$ZKUWFKpLOZKGYFKGp^lL_UkGQOUWJKGBNDkNixL$^`pGQONhKT$SbG[f^`FHJ0LOZKGYT_GJiGR^J0NDLOZHGBsYGILOGIT

    T_G^`iWiW|[UWQ!L_NhHS$ZHUFKpBL_ZKGgjaNQ]ULOUWkGw}ZhaQIfKd!GvFKNldQONhKT$SbGgUWQ^BVH^`L]L_GIT_|cD^SIUFKpcUWFLOZKU\QNT_UWGIFL_^`LOUWNF

    Source 1 Source 2

    Total voltage?

    24 V

    GR^QOhKTOUWFKpLOZKGgNLOZKGThKFKvFKNldFukNixL$^`pGQONhKT$SbG

  • KP2ob

    P" [

    COMA

    V

    V A

    AOFF

    Source 1 Source 2

    Total voltage?

    The meter tells us -17 volts

    ZKU\QQOGSINFHJqkNiLOsYGbL_GITT_G^JPUFHpHfHZHNldnGkGITRfPU\Q^

    rMl

    {

    kNiL_QfHdZKU\S$ZqLOGii\QhHQLOZa^lLL_ZKGtVKi\^S$v

    LOGRQL}iWG^JtU\Q}^SbLOhH^iiW|LONhHS$ZKUWFKpL_ZKGjXNQOUxL_UkG!QOUWJKG!NDakNiL_^`pGnQONhKT$SbG

    f`dZHUiWG!LOZKGT_GJtLOGQ]L}iGR^JUWQ}^SL_hH^`iWi|

    LONhHS$ZKUWFKpBLOZKGgFHGIp^`LOUWkGwZhHQfPd!GrvFKNldLOZH^`LQ]NhKT$SbG

    U\Q^BVH^lLOLOGTO|D^SbUWFKpYUWFL_ZKG

    +[KME

    JPUT_GSbLOUWNF

    Source 1 Source 2

    24 V 17 V

    Total voltage = 7 V- +

    FKiW|c^lDLOGTSbNT_T_GIi\^lLOUWFKpokNiLOsYGbL_GITT_G^JKUFKpQdULOZLOGRQLiGR^JNT_UGFL$^lL_UNFSI^Fd!GJPGILOGIT_sYUFHGL_ZH^lL!LOZHGQOG

    Ld!NkNiL_^pG[QONhKT$SbGRQo^`T_GcNjHjaNQ]UWFKpG^S$ZN`L_ZKGITRfT_GQOhKiLOUWFKp0UWF^qLONL_^ikNixL$^`pGcN`D

    kNixL$Qp

    `

    kNixL$Q

    kNixL$Q

    w

    ZKGjXNQOUxL_UkGVE

    ^`FHJFKGIp^lL_UkG*{

    jXNi\^`T_UxL|[sc^TOvUWFKpQ!^Q_Q]NPSIUW^`LOGJdUxL_Z^`FqkNixL$^`pGQONhKT$SbGQ]GTOkG

    LOZHGQ_^`sYG!jKhKT_jaNQ]G^QL_ZKGTOGRJt^FHJtVHiW^S$voSbNiWNT$QN`DX^rgmkNixL_sYGbLOGT

    QLOGRQL}iWG^JHQIwEDHL_ZKGIT_Gnd^QQOhHS$ZY^L_ZKUFHp

    ^Q^u`jKZa^QOGIsYGbL_GIT$cLOZa^lLoSbNhKiWJeJPUWTOGRSL_i|UWFHJPU\SI^`LOGYjKZH^Q]GY^`FKpiG{ULod!NhKi\J0T_G

    hKUWTOGY^uQ]GRSbNFaJkNiL_^pG

    QONhKT$SbGrLON[^SL^Q^YTOGID{GIT_GIFHSIGrUWFuLOUWsYG

    faUxLrSbNhHiWJujKT_NlkUWJPGrLd!NcJPUxGIT_GIFLUWFHJPU\SI^`LOUWNFHQNDjHZH^QOGo^`FKpiGdZKUWiWG

    sYG^Q]hKT_UWFKptL_ZKGgd^zkGbD{NTOsNDL_ZKGoQO^sYGQONhKT$SbGfJKGIjXGIFHJPUWFKpcNFuZHNldd!GSINFKFHGSL_GJLOZKGL_GQ]LiGR^JKQ

  • ` nH0n0 n

    180 deg

    - +0 deg

    + -

    redblack

    blackred

    "phasemeter"

    "phasemeter"NafPdZKGIFq|NhuQOGIGg^FukNixL$^`pGJPGRQ]UWpFH^`LOGRJ^Q!QOhHS$Zmwww

    +-0 deg8 V

    www}UxLsYG^FHQ!LOZa^lLNhKTZ|jXN`LOZHGbLOU\SI^i`jKZH^Q]GsYGbLOGT_d!NhKi\J[T_G^JjKZa^QOGQOZKUDLdUxL_ZuUL_QFKGIp^lL_UkG

    {VHiW^S$v

    LOGRQLiGR^JBL_NhHS$ZKUWFKptLOZKGriGIDL!dUWT_G^`FHJ[UxL$Q!jaNQ]ULOUWkGRp{T_GJ

    LOGRQLiWG^JcLONhaS$ZKUFHpgLOZKGrT_UpZLndUT_GfLOZHG

    ^FHJ

    Q]|sVaNiWQsYGTOGi|[jHTONlkU\JPUFHpY^D{T$^`sYGgN`DT_GbD{GIT_GIFaSbGrD{NTL_ZKGgjKZH^Q]Go^FKpiWGrHphHTOGw%ELdnNhKi\J^iWQON

    VXGojaGT]D{GRSL_i|Nvl^z|cLONcT_GIjHTOGRQ]GFLL_ZH^lLkGIT_|QO^sYGoQ]NhKT_SIG

    QjKZH^Q]GiWUvGLOZKU\Q FKN`L_UWSIGLOZKGtQOdUL_S$ZqUFqjXNi\^`T_UxL|

    sc^`T_vUFKpQ

    + -

    8 V180 deg

    ?V 3P *!A(j$A%\*

    EDakGSbLONT$QdUxL_ZhHFHSbNsBsYNFB^FKpiWGQ^`T_G!^JKJPGRJflLOZHGIUWT}sY^pFKULOhaJPGQiGFKp`L_ZHQ

    ^JKJthHj

    hKULOGJPUXGTOGFLOiW|gLOZH^F

    LOZa^lLN`DQOS^`i\^`Tsc^`pFKUxL_hHJPGRQI

    length = 6angle = 0 degrees

    length = 8angle = 90 degrees

    length = 10angle = 53.13

    degrees6 at 0 degrees8 at 90 degrees+

    10 at 53.13 degrees

    Vector addition

    EDLd!NkNiL_^pGQ

    gNhPLN`DjKZa^QOG0^`T_Gt^JKJKGJL_NpGbLOZHGITrV|VXGIUWFKpqSbNFKFKGSbLOGRJUFeQ]GTOUWGQfXLOZKGUT

    kNixL$^`pGBsc^pFKULOhHJKGQtJKNFKN`LJKUT_GSbLOiW|e^JKJmNTtQOhKVPL_T_^SLt^QgdUxL_ZQ_SI^`i\^`TgkNiL_^pGQUWFgwFHQ]LOGR^JfLOZHGQOG

  • KaY2aI

    kNixL$^`pG

    hH^FL_UxL_UGRQ^`T_GSbNsBjHiGI

    hH^`FL_UxL_UGRQIf^FHJ~hHQ]LiUWvG!L_ZKG^`VXNlkG!kGRSL_NT$QIf`dZHUWS$Zc^JHJhHjBUWFc^rLOT_UpNFKN

    sYGbL_TOU\SD^QOZKUWNFfa^

    kNixLQONhKT$SbGg^`L^JKJPGJL_N^`F

    kNixLrQ]NhKT_SIGg^lL

    TOGRQ]hHixL$QUFRYkNixL$Q^lL^cjHZH^QOG

    ^`FHpiWGrND

    `

    wW

    0 deg- + - +

    90 deg

    53.13 deg- +

    6 V 8 V

    10 V

    nNsYjH^TOGRJuLONuSIUT$SbhHUxLg^`FH^i|PQOUWQfaLOZKU\QU\QrkGTO|qQL_T_^FKpGtUFHJKGIGJwN`L_GoLOZa^lLUxL

    QrjXNQ_Q]UWVKiWGoLONNVPL$^`UWF

    kNixL_sYGbLOGTUWFHJPU\SI^`LOUWNFHQN`D

    ^FHJ

    kNiL_QfT_GQOjaGRSLOUWkGi|f^SbT_NQ_QLOZKGLdnNkNiL_^pGQONhKT$SbGRQIf|GbL!NFKiW|BTOGR^J

    BkNiL_QnD{NT^L_N`L_^ikNixL$^`pG

    ZKGTOGUWQ!FKNYQ]hHUxL$^`VKiWGg^FH^`iWNp|BD{NT!dZH^lLd!G

    TOGrQ]GGIUWFKpZHGIT_GdULOZLdnNYykNixL$^`pGQQOiWUpZL_i|cNhPLN`D

    jKZH^Q]GwgkNiL_^pGRQS^`FYNFHi|tJKUT_GSbLOiW|^`U\JBNTJPUWT_GSL_i|tNjKjXNQOGf`dULOZcFHN`LOZHUFKpgUWFYVaGILdnGGIFwULOZ[flLd!N

    kNixL$^`pGQS^`FoVXG^`U\JPUFHpNTNjKjXNQOUWFKpNFKGn^FKN`L_ZKGIT

    E`H#E`O$

    VaGILdnGGIFgD{hKiWiW|^`U\JPUWFKp^FHJgD{hHiiW|NjKjaNQ]UWFKpaf

    UWFHSbiWhHQOUkGwUxL_ZKNhKLnL_ZKGhHQOGNDkGRSLONTSbNsYjKiWGbcFhKsVaGT

    FKN`L$^lLOUWNF[LONJKGQ_SbT_UVXG

    hH^FL_UxL_UGRQIfUL!d!NhKi\J

    VXG

    zP

    JKU[SbhHixLL_NYjaGT]D{NTOssc^`LOZKGsY^`LOU\SI^iSI^iWSIhKiW^`LOUWNFHQnD{NTSIUT$SbhKUL^`FH^i|PQOUWQw

    FYLOZHGFKGILnQ]GRSL_UNFfd!G

    iWiaiWG^TOFcZKNldyL_NtT_GIjKT_GQOGIFLkGRSL_NT

    hH^FL_UxL_UGRQUWFQO|stVXNiWUWST$^lL_ZKGITLOZH^F[pT$^`jHZP

    U\SI^`iD{NTOsqw}GSL_NTg^`FaJ0L_TOU\^`FKpiGYJPU\^`pT_^sYQrQOh[SbGBLONqUWiiWhHQ]LOT$^lLOGBL_ZKGYpGIFHGIT$^`iSbNFaSbGIjKLfVKhKLosBNTOGBjKT_GSIUWQOG

    sYGbL_ZKNPJKQNDQO|stVXNiWUWQOsshHQLVXGohHQOGJuUD^`F|QOGIT_UNhHQSI^iWSIhKiW^`LOUWNFHQ^TOGL_NcVaGtjaGT]D{NTOsYGJNFuL_ZKGQOG

    hH^`FK

    LOULOUWGQw

    b&%

    kNiL_^pGRQSI^FNFKiW|gGIULOZKGTJKUT_GSbLOiW|t^`U\JoNTJKUT_GSbLOiW|gNjKjXNQOGnGR^S$ZN`LOZHGITdZKGIFYSbNFKFKGRSLOGRJoUWFBQOGIT_UWGQw

    kNixL$^`pGQ!sc^z|^`U\JNTNjKjXNQOG

    ElHE-__

    JPGIjXGIFHJKUFKpcNFL_ZKGgjKZH^Q]GgQOZKUDLVaGILdnGGIFuLOZKGsqw

    ?V (P# %!A#BC\oArA%\(

    F0NT_JPGTLONdnNTOvdUxL_ZLOZHGQOGSbNsYjKiGIuFhKsVaGT_QdUxL_ZKNhKLrJPT$^zdUFHpckGSbLONT_QfHd!GgHT$QLFKGIGRJ0Q]NsYGovUFHJ0N`D

    Q]L_^`FaJK^`T$JYsc^lLOZHGIsc^lL_UWS^`iHFHN`L_^`LOUWNFw}ZKGTOG^`T_GLdnNtVH^QOUWSD{NT_scQN`DSINsYjKiWGbYFhKstVXGIT!FKN`L$^lL_UNF

    H

    ^FHJ

    OP `bo

    w

    Ni\^`TD{NT_s UWQrdZKGTOGB^SINsYjKiWGbFhKstVXGITU\QrJKGIFKNLOGJV|L_ZKG

    b-{#

    {NLOZKGTOdU\Q]GvFKNldF^QLOZHG

    HI

    HMn

    f

    :IbE Z- H

    fHNT

    cb 0

    ^`FaJL_ZKG

    l-W

    N`DUxL$QkGRSL_NT#{haQ]hH^iiW|JKGIFKNLOGJV|^Fq^FKpiWGgQ]|sVaNi

    LOZa^lLiNNvQiWUWvGLOZKU\QI

    wNYhHQOGL_ZKGgsc^`jq^`FH^iNp|fjXNi\^`TFKNL_^`LOUWNF[D{NTLOZKGgkGSbLONT!D{T_NsGIdNT_vnUxL|

    LONtK^`FmUWGIpNdnNhKiWJMVXGQ]NsYGbLOZHUFKpqiWUvG[

    `

    sYUiWGQfQONhPL_ZdnGRQLRw GTOG[^TOGLd!NGbK^`sYjKiWGQND!kGSL_NT$Q

    ^`FaJ[L_ZKGIUWTjXNi\^`TFKNL_^lL_UNFHQ

  • nH0n0 n

    8.49 45o

    8.06 -29.74o(8.06 330.26o)

    5.39 158.2o 7.81 230.19o(7.81 -129.81o)

    Note: the proper notation for designating a vectors angleis this symbol:

    L$^`FHJK^T_JNT_UGFL_^lL_UNFcD{NTkGSbLONT^`FHpiWGQ!UFqSIUT$SbhHUxLSI^iWSIhKi\^lLOUWNFaQ!JKGbHFKGRQ^QVXGIUWFKpBLONLOZKGgT_UWpZL

    {ZHNT_UoNFL_^i

    fsc^vUWFKp

    cQ]LOT$^`UWpZLohKjf

    BLON0LOZKGiGIDLf^FHJ

    [

    YQ]LOT$^`UWpZLJPNldFwiWG^Q]GcFKNLOGLOZH^`L

    kGRSL_NT$Q^FKpiWGJ0JPNldFHSI^`FMZH^zkGB^`FKpiGRQT_GIjHTOGRQ]GFL_GJUWFejaNiW^TD{NTOs^QjXNQOULOUWkGBFhHstVXGIT$QUWFMGIKSbGQ_QN`D

    KfNTrFKGp^lL_UkGtFhKsVaGT_QriWGQ_QL_ZH^`F

    HwgKNTGIP^sYjKiGf^[kGSL_NT^`FKpiGRJ

    [

    HQL_T_^UpZLJPNldF

    SI^F

    ^`i\QONgVaGQ_^`U\JLONoZa^zkG^`F[^FKpiWGN`D

    w}ZKG^`VXNlkGkGRSLONTNFBL_ZKGT_UpZL

    w

    r`

    SI^FY^iWQONgVXGJPGIFHN`LOGRJ

    ^Q

    w

    `

    zw

    0 o

    90 o

    180o

    270o(-90o)

    The vector "compass"

    GRSL_^FKphHiW^TD{NTOsqfNFL_ZKGcN`L_ZKGITgZa^`FHJfUWQdZHGIT_GY^SINsYjKiWGbFhKsVaGTgUWQgJKGIFKNLOGJeV|0UL_QgT_GQOjXGSL_UkG

    ZKNTOUINFL$^`iH^FHJckGITOLOU\SI^`iaSbNsYjXNFKGFL_QwFGQ_Q]GFHSbGfL_ZKG^FKpiWGJYkGSL_NTU\QL_^`vGIFYL_NtVXGLOZHGZ|jaNLOGIFhHQOGND^

    T_UpZLLOT_UW^FKpiWGfXJPGQ_SbT_UVXGJqV|LOZKGiGFKp`L_ZHQNDLOZKGB^Jz~]^SbGIFL^FHJqNjHjaNQ]ULOGtQOU\JPGQw^lL_ZKGITLOZH^FJPGRQOSITOUWVKUWFKp

    ^[kGSbLONT

    QiWGIFKpLOZe^`FHJ0JKUT_GSbLOUWNFV|JPGFKN`L_UFKpusc^`pFKUxL_hHJPGY^`FHJ^`FKpiGfXULUWQJPGRQOSITOUWVaGRJ0UWF0L_GIT_sYQN`D!`ZKNld

    D^`TiWGbDL zT_UpZL_Y^`FHJu`ZHNldD^`ThHj!lJPNldFw

    ZKGRQ]GLd!NtJPUWsYGIFHQOUWNFH^iHHphKT_GQZKNT_UINFL$^`ia^FHJYkGT]L_UWS^`i

    ^`T_GQO|stVXNiWUoGJcV|BLdnNtFhHsBGTOU\SI^iKHphKT_GQw

    FBNT$JPGITLONJPU\QL_UFKphKU\Q]ZtLOZKGZKNTOUINFL$^`i^`FHJtkGT]L_UWS^`iJPUsYGFHQ]UWNFaQD{T_Ns2GR^S$ZN`LOZHGITRfzLOZKGkGT]L_UWS^`iUWQjKT_GbHGRJ

  • KaY2aI

    dULOZ0^YiWNldnGT]SI^Q]G`U\{UWFjKhKT_GgsY^`LOZKGsc^lLOU\SIQ

    NT~]{UWFGIiWGSbLOT_NFKU\SIQ

    w!ZKGQOGgiWNldnGT]SI^Q]GriGIL]L_GIT$QJPNcFKNL

    T_GIjKT_GQOGIFL^cjKZ|PQOUWS^`ikl^`T_U\^`VKiWGpQOhHS$Z0^QUFHQ]L_^FL_^`FHGINhaQSbhKT_T_GIFLfX^`i\Q]N[QO|stVXNiWUoGJuV|u^ciWNld!GITOES^QOGiWGbLOLOGIT

    `U\

    fVKhPLgT$^lLOZHGIT^`T_Gsc^lL_ZKGIsc^`LOU\SI^`i}NjXGIT$^lLONT_Q_YhHQOGJLONqJPU\QL_UFKphKU\Q]ZLOZKGYkGRSL_NT

    QkGT]L_UWS^`iSbNsYjXNFKGFL

    D{T_NsUxL$QZKNTOUINFL_^`iSbNsYjXNFKGFLwQ^SbNsYjKiWGbL_GSbNsYjKiGIgFhHstVXGITRfL_ZKGZHNT_UoNFL_^i^`FHJkGITOLOU\SI^i

    hH^`FLOULOUWGQ

    ^`T_GdTOUL]L_GIFq^Q^cQOhKsq

    4 + j4"4 right and 4 up"

    In "rectangular" form, a vectors length and directionare denoted in terms of its horizontal and vertical span,"the first number representing the horixontal ("real") andthe second number (with the "j" prefix) representing thevertical ("imaginary") dimensions.

    4 + j0"4 right and 0 up/down"

    4 - j4"4 right and 4 down"

    -4 + j0"4 left and 0 up/down"

    -4 + j4"4 left and 4 up"

    -4 -j4"4 left and 4 down"

    +j

    -j

    + "imaginary"

    - "imaginary"

    + "real"- "real"

    ZKGZHNT_UoNFL_^iSbNsYjaNFKGIFLU\QT_GbD{GTOT_GJrL_N^QLOZHG

    O

    SbNsBjXNFHGIFLflQOUFHSIGL_ZH^lLJPUsYGFHQ]UWNFtUWQSbNsYjH^`LOUWVKiWG

    dULOZFHNT_sY^ifrQOS^`i\^`TU`T_G^iW

    FhKstVXGIT$QwZHGMkGITOLOU\SI^`iSbNsYjaNFKGIFLqUWQTOGID{GIT_TOGRJLON^QLOZHG

    MHIi-

    SbNsYjaNFKGIFLfQ]UWFHSIGYLOZH^`LJPUWsBGFHQOUNFeiWUWGQgUWF^JPUxGIT_GIFLtJPUWT_GSL_UNFfLON`L$^`iWi|M^`iWUGFML_NqLOZKGQOS^`iWGBNDnL_ZKG[T_G^i

  • ` nH0n0 n

    FhKstVXGIT$Qw

    ZKGTOGR^`i\^`U\QN`DL_ZKGpT$^`jKZYSbNTOT_GQOjXNFHJKQL_NgLOZKGD^sYUiWUW^TFhKstVXGITiUWFKGd!GQO^zdG^`T_iWUGTL_ZKGNFKGdUxL_Z

    VXN`LOZjXNQOULOUWkGg^`FHJuFKGp^`LOUWkGgkl^`iWhKGQNFqUxLRwnZKGtUsc^pUWFH^`T_|Pt^lPU\QN`DLOZHGopT$^`jKZqSbNTOT_GQOjXNFHJKQnL_N[^`FKNLOZKGT

    FhKstVXGITiWUWFKGoQ]ULOha^lLOGRJq^lL

    L_NYLOZKGoTOGR^`i\tNFKGw#}GRSL_NT$QVaGUFKpBLd!N`JPUWsBGFHQOUNFH^`iXLOZHUFKpQIfHdnGsthaQLZH^zkG

    ^LdnNEJKUsYGIFaQ]UWNFH^i`sc^`jHBhKjXNFqdZKU\S$ZuLONYGbPjKT_GQ_Q!LOZHGIsqfPLOZhHQLOZKGLd!NYFhHstVXGITiWUFKGRQjXGIT_jaGFHJPU\SbhKi\^`TL_N

    G^S$ZNLOZKGT

    0$

    1 2 3% 4 5&. . .. . .

    -1-2-3-4-5

    1

    2'3%4(5&

    -1

    -2

    -3

    -4

    -5

    "real" number line

    "imaginary"number line

    ULOZHGITtsYGILOZKNPJNDFKN`L$^lLOUWNFUWQkl^`iWUWJmD{NTSINsYjKiWGbFhKstVXGIT$QIwMZKGjKT_UWsY^TO|eT_G^QONFmD{NTtZH^zkUWFKpLd!N

    sYGbL_ZKNPJKQND}FKN`L$^lLOUWNFU\QD{NTGR^QOGgN`DiWNFKpZH^`FaJuS^`i\SbhKi\^lL_UNFfXTOGRSL_^FKphHiW^TD{NT_siWGIFHJKUFKpUxL$Q]GixD}L_N^JHJPUxL_UNF

    ^`FaJQOhKVPL_T_^SLOUWNFfK^`FHJujXNi\^`T!D{NT_siWGIFHJKUFKpYUL_QOGIiDL_NcsthKiLOUWjKiWUWS^lL_UNFq^FHJuJPUkU\Q]UWNFw

    nNFkGIT$Q]UWNFVXGbLd!GIGFL_ZKGuLdnNmFKNL_^lL_UNFH^`i!D{NTOscQBUFkNiWkGQBQOUsYjKiWGuLOT_UpNFKNsBGILOT_|wNSbNFkGITOLtD{T_Ns

    jXNi\^`TLONmTOGRSL$^`FKphKiW^TfHFaJL_ZKGqTOGR^`iSbNsBjXNFHGIFLBV|shKixL_UjHi|UWFKpL_ZKGqjaNiW^TYsY^pFKULOhaJPGV|mL_ZKGSbNQOUWFKG

    N`D}L_ZKGY^`FKpiGfX^FHJqLOZHGUWsc^`pUWFH^TO|uSbNsYjXNFKGFLV|qsthKiLOUWjKiW|UWFKpLOZKGjaNiW^Tsc^pFKULOhHJKGtV|uLOZKGBQ]UWFKGtNDLOZHG

    ^`FHpiWGwZKU\Qsc^z|VXGthKFaJPGIT$QL_NNJqsYNTOGgT_G^JPUiW|V|qJPT$^zdUFKpYL_ZKG

    hH^FL_UxL_UGRQ^QQOUWJPGRQND}^[TOUWpZLLOT_U\^`FKpiGf

    LOZHGZ|jaNLOGIFhHQOGNDXL_ZKGL_TOU\^`FHpiWGTOGjKTOGRQ]GFLOUWFKpLOZKGkGRSLONTUL_QOGIiD%UxL$QiWGIFHp`LOZ^`FHJc^FKpiWGdUxL_Z[T_GQOjaGRSLL_NoLOZHG

    ZKNTOUINFL$^`iHSINFHQ]LOULOhKLOUWFKpgLOZHGjXNi\^`TD{NTOs

    fL_ZKGZKNTOUINFL_^`iK^FHJckGITOLOU\SI^`iaQ]U\JPGQTOGjKT_GQOGIFLOUWFKpLOZHG`T_G^iW^FHJ

    `UWsc^`pUFH^TO|PtTOGRSL_^FKphHiW^TSINsYjXNFKGFL$QIfPT_GQOjXGSL_UkGIiW|

  • KaY2aI

    +j3

    +4

    length = 5

    angle =36.87o

    (polar form)

    (real component)(imaginary component)

    4 + j3 (rectangular form)

    (5)(cos 36.87o) = 4(5)(sin 36.87o) = 3

    5 ) 36.87o

    NSbNFkGITOLaD{T_NsTOGRSL_^FKphHiW^TLONjXNi\^`TRfbHFHJrL_ZKGjXNi\^`Tsc^pFKULOhHJKGLOZKT_NhKpZL_ZKGhHQOG}N`DL_ZKG|L_ZH^`pNT_G^`F

    ZKGNT_GIsL_ZKGjaNiW^Tsc^pFKULOhHJKG!U\QLOZKGZ|jaNLOGFhaQ]G!N`Da^T_UpZLLOT_U\^`FKpiGf`^`FHJoLOZKGT_G^`iP^FHJoUWsc^`pUWFH^TO|gSbNsB

    jXNFKGFL$Q^TOGoLOZKGB^Jz~]^SbGIFL^`FHJqNjKjaNQ]ULOGBQ]U\JPGRQIfXTOGRQ]jXGSbLOUWkGi|

    f^`FaJqLOZKGB^`FKpiGtV|uL$^`vUFHpcLOZKGY^`T$SL$^`FKpGIFL

    N`DLOZHGgUsc^`pUFa^`T_|[SbNsYjXNFKGFLJKUkU\JPGJuV|cLOZHGgTOGR^`iSbNsYjaNFKGIFL

    4 + j3* (rectangular form)

    c =+ a, 2 + b2 (pythagorean theorem)

    polar magnitude = 4* 2 + 32

    polar magnitude = 5)

    polar angle = arctan, 34*

    polar angle =

    (polar form)

    36.87o

    5 ) 36.87o

    b&%

    -

    o-

    FKNL_^lL_UNF[JPGIFHN`LOGRQn^tSbNsYjKiWGbYFhKstVXGIT!UWFcLOGTOscQnN`DUxL$QkGSbLONT

    QiWGIFKpLOZ^FHJc^`FKphKi\^`TnJKUT_GSbLOUWNF

    D{TONsLOZKGoQ]L_^T]L_UFHpBjXNUWFLwP^sYjKiGH|

    sYUWiGRQ

    {eGQ]LV|dNhKLOZdnGRQL

    w

    /.

    \lb

    FKNL_^lL_UNFJPGFKN`L_GQ!^SINsYjKiWGbcFhKstVXGIT!UFLOGTOscQnN`DUL_Q!ZKNTOUINFL$^`iX^`FHJckGITOLOU\SI^iXJPUWsYGIFP

    Q]UWNFHQw}}K^`sYjKiWG}JPT_UWkG

    rsYUiWGQeGQ]LfKLOZKGFL_hKT_Fq^FHJuJPTOUWkGY

    sYUWiGRQNhKLOZw

  • nH0n0 n

    FeT_GSbL_^FKphKi\^`TgFHN`L_^`LOUWNFfLOZKG[HT_Q]L

    hH^`FL_UxL|MUWQL_ZKGTOGR^`i\uSINsYjXNFKGFLZKNT_UINFL$^`iJPUWsYGIFHQOUNFmN`D

    kGSbLONT

    ^`FHJLOZKGgQOGSINFHJ

    ha^`FLOUL|[U\Q!LOZKGg`UWsc^`pUFH^TO|PoSINsYjXNFKGFL#kGITOLOU\SI^iXJKUsYGIFaQ]UWNFuN`DkGSbLONT

    w

    ZKGUsc^`pUFa^`T_|YSINsYjXNFKGFLU\QjKT_GSbGRJPGJV|^BiNld!GITOSI^QOGb~bf YQONsYGbL_UsYGQS^`iWiGRJ[L_ZKGg~!NjXGIT$^lLONTw

    nNLOZYjXNi\^`Tn^FHJBTOGRSL$^`FKphKiW^T}D{NT_scQ}N`DFKNL_^`LOUWNFYD{NTn^oSbNsBjHiGIFhKstVXGIT!SI^FcVaGT_GIi\^lL_GJYpT_^jKZKU\SI^`iWiW|

    UFLOZKGD{NTOsN`D^BT_UpZL!L_TOU\^`FHpiWGfPdULOZLOZKGgZ|jaNLOGFhaQ]GT_GIjKT_GQOGIFLOUWFKpLOZKGgkGSbLONTUL_QOGIiDDjaNiW^T!D{NT_su

    Z|jXN`L_GIFhHQOGiGFKp`L_Z10sY^pFKULOhaJPGP^`FHpiWGdUxL_Z[TOGRQ]jXGSbLLONZKNT_UINFL$^`iHQOUWJKG20^`FKpiG

    fLOZKGZKNT_UoNFL_^i

    Q]U\JPG0T_GIjKT_GQOGIFL_UFKpmL_ZKG0T_GSbL_^`FHphKi\^`TTOGR^`i\mSbNsYjXNFKGFLf^`FaJLOZKGkGITOLOU\SI^iQOUWJKG0TOGjKT_GQOGIFLOUWFKpmLOZHG

    TOGRSL_^FKphHiW^T!Usc^`pUFa^`T_|SbNsBjXNFHGIFLw

    ?V3 3P C54UA76 A~\

    UWFHSbGMSbNsYjKiWGbFhKstVXGIT$Q[^TOGiWGIpUxL_Usc^lL_G0sc^lL_ZKGIsc^lL_UWS^`iGFLOULOUWGQf~hHQLuiUWvGMQOS^`i\^`TcFhKstVXGIT$QfnL_ZKGI|SI^F

    VXGY^JKJPGRJfQ]hHVPLOT$^SbLOGJfsthKiLOUWjKiWUGRJfJPUWkUWJKGJfQ

    hH^`T_GJfXUWFkGT]L_GJf^FHJQOhHS$Zf~hHQ]LoiWUvGB^F|qNLOZKGTrvUWFHJMN`D

    FhKstVXGITRwNsYGQOSIUGFLOUaSSI^`i\SbhHiW^`LONT$Q^TOGjKT_NpT$^`sYsYGJcLONYJPUT_GSbLOiW|cjaGT]D{NTOsL_ZKGQOGrNjXGIT$^lLOUWNFaQNF[Ld!NNT

    sYNT_GcSbNsYjKiWGbMFhHstVXGIT$QIfVKhPLgLOZHGQOGcNjXGIT$^lLOUWNFaQgSI^`Fm^`i\QONuVXG[JPNFKGc`V|0ZH^FHJw ZKUWQtQ]GRSLOUWNFedUWiiQOZKNld

    |Nh[ZKNldL_ZKGVH^QOU\SNjXGIT$^lL_UNFHQ!^`T_GjXGITOD{NT_sBGRJw~ELUWQ

    #xz#x

    T_GSINsYsYGIFHJKGJYL_ZH^lL|Nh[G

    hKUWju|NhHT_QOGIiDdUxL_Z

    ^tQ_SbUWGIFL_UxaSSI^iWSIhKiW^`LONTnSI^jH^`VHiGN`DjXGITOD{NT_sYUFKp^`T_UxL_ZKsYGbLOU\SD{hKFHSL_UNFHQnG^QOUWi|YNFSbNsYjKiWGbcFhKsVaGT_Qw~EL!dUWii

    sc^`vGo|NhKTQ]LOhHJK|N`DSbUWT$SbhKULshHS$Z0sYNT_GojKiWG^QO^FLLOZH^FUD|Nh

    T_GgD{NT$SbGRJqLONuJPN^iiSI^iWSIhKi\^lLOUWNFaQLOZHG

    iWNFKpGITd!^z|w

    JHJPUxL_UNF^FHJoQOhKVPLOT$^SbLOUWNFodULOZYSbNsYjKiGIgFhHstVXGIT$QUWFtT_GSbL_^`FHphKi\^`TD{NT_sU\QG^Q]|wKNT^JKJPULOUWNFf`QOUWsBjHi|

    ^JHJghKjgL_ZKGT_G^iSbNsYjaNFKGIFL_QN`DPL_ZKGnSINsYjKiWGbFhKstVXGIT$QL_NJPGILOGTOsYUWFKG}LOZHGnT_G^iSbNsYjaNFKGIFLNDPLOZKGQ]hHsufl^FHJ

    ^JHJhHjqLOZKGoUWsc^`pUFH^TO|SbNsYjXNFKGFL_QNDL_ZKGoSbNsYjKiGIuFhKsVaGT_QLON[JPGILOGIT_sYUFHGgLOZKGgUWsc^`pUFH^TO|SbNsYjXNFKGFL

    N`DLOZHGoQ]hKsq

    2 + j584 - j3*+96 + j2:

    175 - j3480 - j15+9

    255 - j49

    -36 + j1020 + j828+9-16 + j92

    ZKGFuQOhKVPL_T_^SLOUWFKpYSbNsBjHiGI[FhHstVXGIT$QnUWFuTOGRSL_^FKphHiW^TD{NTOsqfKQOUsYjKiW|[Q]hHVPLOT$^SbL!L_ZKGTOGR^`iSbNsYjaNFKGIFLN`D

    LOZHG[Q]GRSbNFaJeSINsYjKiWGbeFhHstVXGITD{T_NsL_ZKG[T_G^iSbNsYjXNFKGFLNDnL_ZKGcHT$Q]LgLON0^`T_T_UkGB^`LgLOZKGcT_G^iSbNsYjXNFKGFL

    N`D!LOZHG[JPUxGIT_GIFaSbGf^`FaJMQOhKVPL_T_^SLgLOZHGcUsc^`pUFa^`T_|SbNsBjXNFHGIFLgN`D!LOZKGQOGSINFHJeSbNsYjKiGIFhKstVXGIToD{TONsLOZHG

    UWsY^pUWFH^`T_|[SbNsYjaNFKGIFLN`DLOZKGaT_Q]LLON[^`T_T_UkGLOZHGgUsc^`pUFa^`T_|[SbNsYjXNFKGFLN`DL_ZKGoJPUXGTOGFHSbG

    2 + j584 - j3*

    175 - j3480 - j15

    -36 + j1020 + j828- - -

    -2 + j8 95 - j19; -56 - j72KNTYiNFKpZH^FHJshKixL_UjHiU\SI^`LOUWNF^`FHJyJPUWkU\QOUNFfjXNi\^`TYUWQL_ZKGuD^zkNT_GJFKN`L$^lLOUWNFLONmd!NT_vedULOZwZKGF

    sthHixL_UjKiW|UFHpuSINsYjKiWGb0FhKstVXGIT$QUFejaNiW^TD{NTOsqfQOUsYjKiW|

    b

    L_ZKGBjaNiW^Tsc^`pFKULOhHJPGRQrN`DL_ZKGcSbNsYjKiWGb

    FhKstVXGIT$QLONJKGbLOGTOsYUWFKG0L_ZKGjXNi\^`Tusc^`pFKUxL_hHJPGMN`DgLOZHGjKT_NPJPhHSLRf^FHJ

    `[

    L_ZKGm^`FKpiGRQ[N`DgL_ZKGmSbNsYjKiWGb

    FhKstVXGIT$Q!LON[JKGbLOGTOsYUWFKGrLOZKGo^FKpiWGN`DLOZKGgjHTONPJPhHSbL

  • K= 77o

    11.273 150o

    0.6 ? 60o

    NNVPL$^`UWFgLOZHGT_GSbUWjKT_NPSI^`ifRNTUFkGITOL_@R

    fl^SbNsYjKiWGbFhKstVXGITRflQ]UWsYjKiW|JKUkU\JPGL_ZKGFhKsVaGTSUFjaNiW^T

    D{NT_s

    UWFL_N0^0Q_SI^`i\^`Tgkl^ihKGcNDgfdZKUWS$ZU\QgFKNLOZKUWFKp0sYNTOGYL_ZH^`F^SINsYjKiWGbMFhKsVaGTtdULOZFKNUsc^`pUFa^`T_|

    SbNsYjaNFKGIFL#^FKpiWGA0

    1= =

    1= =

    1= =

    1 0o

    1 0o

    1 0o

    35 65o 35 65o

    10 -12o 10 -12o

    0.0032 10o 0.0032 10o

    0.02857 ? -65o

    0.1 ? 12o

    312.5 > -10o

    ZKGRQ]Gt^TOGoLOZKGVH^QOUWSoNjXGIT$^lLOUWNFaQ|NhdUiWiFKGIGRJqLONvFHNldUWF0NT_JPGTL_N[sc^`FKUWjKhKi\^lL_GSbNsYjKiGIFhHstVXGIT$Q

    UWFL_ZKG^`FH^i|PQOUWQBNDrSbUWT_SIhKUxL$QIwjXGIT$^lLOUWNFaQdULOZSINsYjKiWGbFhKsVaGT_QY^`T_GqV|FKNmsYG^`FaQiWUWsBULOGRJM~hHQL

    LONu^JKJKUxL_UNFfXQOhKVPL_T_^SL_UNFfashKiLOUWjKiU\SI^`LOUWNFfJPUWkUWQOUNFf^`FHJUWFkGT_QOUNFfHZHNldnGkGITRwUWT]L_hH^`iWiW|q^F|u^TOULOZKsYGILOU\S

    NjXGIT$^lL_UNFyLOZH^`LSI^`FVXGJPNFKGdULOZQ_SI^`i\^`TcFhKsVaGT_QSI^`FVXGJPNFKG0dULOZSbNsYjKiGIFhKsVaGT_QfUFHSIihaJPUFHp

    jXNldnGT_QfnT_NN`L$QIfQONiWkUWFKpQOUshKiL_^`FHGINhaQcG

    hH^`LOUWNFHQdUxL_ZSbNsYjKiWGbSbNGBcSIUGFL_Qf^FHJGIkGIFL_TOUWpNFKNsYGbL_TOU\S

    D{hKFHSbLOUWNFHQ^`iLOZKNhKpZLOZHUWQUWFkNiWkGRQ^dZKNiGFKGdjXGIT$Q]jXGSbLOUWkG!UFBLOT_UWpNFHNsYGbL_TO|gSI^iiWGJ

    #+H\I$-

    PiP`F

    dZKU\S$ZUWQ[dnGiiVXGI|NFHJyL_ZKG0Q_SbNjXG0NDL_ZKUWQJPU\QOSIhHQOQOUWNF

    w!GQOhKTOGqL_ZH^lL[|Nh

    T_GqD^`sYUiWU\^`T[dULOZL_ZKG0VH^Q]U\S

    ^`T_ULOZKsYGbL_UWSuNjaGT_^`LOUWNFHQBN`D^JKJKUxL_UNFf!QOhKVPL_T_^SL_UNFfshKixL_UjHiU\SI^`LOUWNFf!JPUkU\Q]UWNFf!^FHJUWFkGT_QOUNFf^FHJ|Nh

    iWi

    ZH^zkGiWUxLOLOiWGgLOT_NhHVKiGdULOZSbUWT_SIhKUxL^FH^`iW|PQ]U\QIw

  • r nH0n0 n

    b&%

    No^JKJYSbNsYjKiWGbBFhKstVXGIT$Q}UWFBT_GSbL_^FKphKi\^`TD{NTOsqf^JKJLOZHGTOGR^`iKSINsYjaNFKGIFL$Q^`FHJc^JKJLOZKGUsc^`pUFa^`T_|

    SbNsYjXNFKGFL_Qw%PhKVPLOT$^SbLOUWNFuUWQQ]UWsYUi\^`TRw

    NBsthKiLOUWjKiW|SbNsYjKiGI[FhKstVXGIT$Q!UFujaNiW^T!D{NT_sufshKixL_UjHi|cL_ZKGsc^`pFHUxL_hHJPGQ^FHJ^JKJcL_ZKGg^`FKpiGRQIwN

    JPUkU\JPGfKJKUkU\JPGLOZKGgsc^pFKULOhHJKGQ^`FaJuQOhKVPL_T_^SLNFHG^FKpiWGrD{TONsLOZHGgN`LOZHGITRw

    ?VDC B do3P$A#6 \%CA

    GIL

    QtSINFKFKGRSLoL_ZKT_GIGkNiL_^`pGcQ]NhKT_SIGQgUWFQOGIT_UGRQo^`FaJmhHQ]GSbNsYjKiWGbmFhKstVXGIT$QgL_NJPGILOGIT_sYUFHG^JKJKUxL_UkG

    kNixL$^`pGQwiWiL_ZKG[T_hKiGRQo^`FaJMi\^zdQgiWG^TOFKGRJeUFeLOZHGQL_hHJP|eN`DgSIUT$SbhHUxL$Qo^`jKjHi|LONSbUWT_SIhKUL_Qo^QgdnGii

    ZHs

    Q%^zdgf

    UWT$S$ZKZKN`

    Q~^zdQflFKGbLd!NT_vo^`FH^i|PQOUWQsYGbL_ZKNPJKQ

    fdULOZLOZKGGIPSIGIjPL_UNFNDajXNldnGTS^`i\SbhKi\^lL_UNFHQw

    ZKGoNFKiW|

    hH^`iWUaSI^`LOUWNFqUWQLOZH^`L^`iWikl^TOU\^`VKiWGQ

    V:

    VXGoGbPjKT_GQ_QOGJuUF0SINsYjKiWGbD{NT_sufHL_^vUWFKpcUWFLON^SISbNhKFL

    jKZH^Q]G^Qd!GIiWi^Qsc^`pFHUxL_hHJPGf^`FaJ^`iWikNixL$^`pGRQ^`FaJSbhKT_TOGFL_QsthaQLrVaGoNDLOZKGBQO^sBGD{T_G

    hKGFHSb|{UWFNT$JPGT

    LOZa^lLLOZHGIUWTjKZH^QOGgT_GIi\^lLOUWNFaQ]ZKUWjHQ!T_GIsc^`UWFuSINFHQ]L_^FL

    w

    load

    +

    -

    -

    +

    -

    +

    E1

    E2

    E3

    22 V 8 -64o

    12 V 35o

    15 V 0o

    ZKGjXNi\^`T_UL|tsc^`T_vPQD{NT!^`iWiKLOZHTOGGkNixL$^`pGQONhKT$SbGRQ^`T_GNT_UWGIFLOGRJYUF[QOhHS$Z[^gd^z|oL_ZH^lLnLOZKGUT!QL$^lLOGRJYkNixLO

    ^`pGQ!Q]ZHNhKi\J^JKJcL_NYsY^vGLOZKGrL_N`L_^ikNixL$^`pGr^SITONQOQLOZKGiWN^JTOGRQ]U\Q]LONTRwN`L_UWSIGrLOZH^`L^ixL_ZKNhHpZsc^pFKULOhHJKG

    ^`FaJ0jKZH^Q]GB^`FKpiGUWQrpUkGIFD{NTGR^S$ZkNiL_^pGtQONhKT$SbGfaFHND{T_G

    hKGFHSb|qkl^`iWhKGBUWQQOjaGRSbUHGJwEDLOZKU\QrUWQLOZHG

    SI^Q]GfUxLgU\Q^Q_Q]hKsYGRJLOZa^lLo^`iWiD{TOG

    hHGIFHSIUGRQr^TOGBG

    hH^ifL_ZhHQsYGIGbL_UFHpNhKT

    ha^`iWUxaS^lL_UNFHQD{NTg^`jKjHi|UWFKpug

    T_hKiGRQL_N^`FMSbUWT_SIhKUxLV^iiHphHTOGRQpUWkGFUFMSbNsYjKiWGbqD{NTOsqf^`iWiN`D}L_ZKGYQO^sBGoD{TOG

    hHGIFHSI|

    wZKGBQ]GILOhKjN`D

    NhHTG

    hH^lL_UNFL_NBHFHJLONL_^`ikNiL_^pG^`jKjXG^T_Q^QQ]hHS$Z

    EE total = E1 + E2 + E3

    (22 V -64o) + (12 V 35o) + (15 V 0o)EE total =rT$^`jKZKU\SI^iiW|fL_ZKGgkGRSLONT_Q^JKJuhKjqUFLOZKU\Qsc^`FHFKGITR

  • KGFPy0r0n!0P2orP} r

    22 -64o

    12 35o

    15 0o

    ZKGYQ]hHs N`DL_ZKGQOGkGSbLONT$QdUWiWi}VaGY^T_GQOhKiL_^FLrkGRSLONTNTOUWpUWFH^`LOUWFKp^lLrLOZHGYQ]L_^T]L_UFHpjXNUWFLrD{NTrL_ZKG

    [

    kNixL!kGRSLONTJPN`L^lLnhHjKjaGT]EiWGbDLN`DJPU\^`pT_^s

    ^`FHJYL_GIT_sYUFH^`LOUWFKp^`LL_ZKGGFHJPUWFKptjXNUWFLD{NTL_ZKGt

    kNixLnkGSbLONT

    ^TOT_NldL_Uj^lLL_ZKGgsYUWJKJKiGIT_UpZLNDL_ZKGoJPU\^`pT_^s

    resultant vectorH

    22 -64o

    12 35o

    15 0o

    FqNT$JPGIT!L_N[JPGbL_GIT_sBUWFKGgdZH^`LLOZKGgT_GQOhKiL_^FLkGSL_NT

    Q!sc^`pFKULOhHJPGo^FHJq^`FKpiGg^TOGdULOZKNhPLTOGRQ]NT]L_UFHptL_N

    pT$^`jHZKUWSUWsc^`pGQf`dnGSI^`FcSINFkGT]LGR^S$ZYNFKGNDLOZKGRQ]GjXNi\^`TOD{NT_sSbNsBjHiGIBFhKsVaGT_Q}UWFLONoT_GSbL_^FKphKi\^`TD{NTOs

    ^`FaJ^JHJwoGIsYGstVXGITRfdnG

    T_G

    [`l

    LOZHGQOGtHphKT_GQLONpGbL_ZKGITrVXGSI^hHQOGtL_ZKGjXNi\^`T_UL|usc^TOvPQD{NTrLOZKGLOZHTOGG

    kNixL$^`pGrQONhKT$SbGRQ^`T_GrNTOUWGIFL_GJ[UWF^`F^JHJPUxL_UkGsY^FKFKGT

  • nH0n0 n

    15 9.8298

    9.6442+ j6.8829 V- j19.7735 V

    + j0 V

    +

    34.4740 - j12.8906 V>

    15 V 0o = 15 + j0 V

    12 V 35o = 9.8298 + j6.8829 V

    22 V 8 -64o = 9.6442 - j19.7735 V

    FjXNi\^`TD{NTOsqfKL_ZKU\QG

    hH^`LOGRQLON

    w

    `

    kNiL_QI

    Kw

    H

    IwZH^`LLOZHUWQsYG^`FaQUFT_G^iLOGTOscQUWQLOZH^`L

    LOZHGkNixL$^`pGsBGR^QOhKT_GJY^SITONQOQL_ZKGQOGL_ZKTOGGkNixL$^`pGQ]NhKT_SIGQ}dUWiWiaVXG

    w

    [

    kNiL_Qfi\^`ppUWFKpLOZKG

    kNiL

    jKZH^Q]GTOGID{GIT_GIFHSIG

    V|

    Hw

    K

    wkNixL_sYGbLOGTnSINFKFKGRSL_GJ[^SbT_NQ_QLOZKGRQ]GjaNUFL$QUWF^gT_G^iaSbUWT$SbhKULnd!NhKi\JYNFHi|

    UWFHJPU\SI^lL_GYLOZKGjaNiW^TgsY^pFKULOhaJPG[N`D!LOZHG[kNixL$^`pG

    w

    `

    kNiL_Q

    fFKN`LtLOZKG^FKpiWGwFNQ_SbUWiWiNQOSINjXGBSINhKi\J

    VXGBhaQ]GRJ0L_NqJKUWQOjKi\^z|qLdnNukNixL$^`pGd!^zkGbD{NTOscQr^`FHJLOZhHQjKT_NlkUWJKG^ujKZH^Q]GYQ]ZHUxDLosYG^Q]hHTOGsBGFLfVKhPLoFHN`Lg^

    kNixL_sYGbLOGTwoZHGBQ_^`sYGtjHTOUWFHSbUWjKiWGZHNi\JKQLOT_hKGtD{NTg^`sYsYGbL_GIT$QIL_ZKGI|UWFHJPU\SI^`LOGLOZKGYjXNi\^`Trsc^`pFHUxL_hHJPGBN`D

    LOZHGoSbhKT_TOGFLfPFKNL!L_ZKGgjKZH^Q]Gg^FKpiWGw

    ZKU\Q!UWQGIL_TOGsYGIiW|cUsYjXNTOL_^`FLUWFT_GIi\^lL_UFKpYSI^iWSIhKi\^lLOGRJcHphKT_GQ!N`DkNiL_^pGr^`FHJuSbhKT_T_GIFLnL_NT_G^iSbUWT_SIhKUxL$QIw

    iLOZHNhKpZuT_GSbL_^FKphKi\^`TFKNL_^`LOUWNFqUWQSbNFkGIFKUWGIFLD{NT^JKJPULOUWNF^`FaJuQOhKVPL_T_^SL_UNFfK^`FHJud^QUWFHJPGGJuLOZHGHFH^`i

    Q]LOGIjUF0NhKTQ_^`sYjKiWGojKT_NVHiGsZKGTOGfaULU\QFKN`LkGIT_|u^jKjKiWUWS^`VKiWGgL_NjKT$^SbLOU\SI^`isBGR^QOhKT_GIsYGIFL_QwGRSL_^FKphHiW^T

    HphKTOGRQsthHQ]LVXGtSbNFkGITOLOGRJcL_N[jaNiW^THphHTOGRQ#QOjaGRSbUaSI^iiW|jXNi\^`T

    HIHMn+

    VXGbD{NTOGL_ZKGI|qSI^FuVXGoT_GIi\^lL_GJ

    LONc^SLOha^`iSIUT$SbhKULsYG^QOhKT_GIsYGIFL$QIw

    eGSI^FhHQOG*PO!LON[kGIT_UxD{|LOZHG^SSbhKT$^SI|NDNhKTTOGRQ]hKiL_QwFL_ZKU\QL_GQ]LrSbUWT$SbhKULfaLOZKGcvKJT_GQOUWQ]LONT

    kl^`iWhKGtU\Q

    hHUxL_G^`T_VKULOT$^`T_|wEL

    QLOZHGIT_GQONcLOZH^`LPO!JPNGRQFKNLrJPGRSbi\^`T_Gt^`F0NjaGFPSbUWT_SIhKUxLrGIT_TONT^`FaJ0^`VXNTOL

    ^`Fa^`iW|QOU\QIwiWQONHfRL_ZKGnS$ZKNUWSIGN`DPD{T_G

    hKGFHSbUWGQD{NTLOZKG!Q]UWsthHiW^`LOUWNFp

    U\Q

    hHUxL_Gn^`T_VKULOT$^`T_|fRVaGRSI^hHQ]GTOGRQ]U\QL_NT$Q

    T_GQOjaNFHJhKFHUxD{NTOsYiW|D{NT^`iWirD{TOG

    hHGIFHSIUGRQNDkNiL_^`pGM^FHJSIhKTOT_GIFLRwZKGIT_GM^TOGeN`L_ZKGITSINsYjaNFKGIFL$Q

    {FHN`L_^VKiW|SI^jH^SIUxL_NT$Q^`FHJBUWFHJPhHSbLONT$Q

    dZKUWS$ZcJPNFKNLTOGRQ]jXNFaJhHFKUxD{NTOsYiW|oL_NoJPUxGIT_GIFL}D{T_G

    hKGFHSbUWGQf`VKhPLLOZH^`L

    U\Q^`FKNLOZKGTQ]hKVK~GSLR

  • KGFPy0r0n!0P2orP}

    +

    -

    -

    +

    -

    +

    3

    2

    1

    0

    3

    0

    VL 1

    VL 2

    VL 3

    RM 1 10 k

    22 V 8 -64o

    12 V 35o

    15 V 0o

    NPO/QKRSUTNWVKXYN[Z[Z!\]T^\_R_`

    Qbaca/dcNPOea]fcdhg\i`

    QKjcjkalNPOea]jcmnfg\o`

    QKmcmpjcNPOYjnjpq[rWshg\o`

    tbalmpdua]dWv

    w

    NPOYSP\i`xalrndcrnd y{z}|~^g\o`nVN[tKXWW~PXU`^O]R[crnd

    w

    t!\o`TcNPO/QDm#dQ

    Dm7d NPgNZX[nNU~SUTYQNS_~PX

    w

    XU`Z

    [tKXW QDmP Q

    Dm

    r

    w

    d[dndWd!a m

    w

    r[^aid!aq[j

    w

    dnfndWnd^a

    hKT_GrGIFKNhKpZfPd!GpGIL^tLONL_^ikNiL_^pGrN`D7

    w KkNixL$Q

    Hw

    A

    dUxL_ZqTOGID{GIT_GIFHSIGL_NL_ZKGY

    kNixLQONhKT$SbGf

    dZKNQ]GjKZH^Q]Gg^FKpiWGd!^Q!^TOVHUxL_T_^TOUWi|[Q]L_^`LOGRJu^`LIGIT_NcJPGIpTOGGQQONY^Q!LONYVXGLOZKGoTOGID{GIT_GIFHSIGd!^zkGbD{NT_sw

    !LHT$QLpiW^FHSbGfPLOZHUWQU\QSINhKFLOGT]EUWFL_hKULOUWkGwNldUWQULjXNQ_Q]UWVKiWGrLON[NVPL_^UFq^BLONL_^`ikNiL_^pGN`DX~hHQ]LNlkGT

    kNiL_QgdULOZ

    kNiLfn

    kNixLRf^FHJ

    `

    kNixLtQOhKjKjKiWUWGQoSINFKFKGRSL_GJeUFQOGIT_UWGQ$UxL_ZgfLOZKU\Qod!NhHiWJeVXG

    UWsBjXNQ_QOUVKiWGf^QkNixL$^`pGaphKT_GQdUiWiGUxL_ZKGITrJPUWTOGRSLOiW|^JKJqNTQOhKVPL_T_^SLfJPGjaGFHJPUWFKpNFjaNiW^TOUL|w!hPLrdUxL_Z

    fNhKTt`jXNi\^`T_UL|

    jHZH^QOG[Q]ZHUxDLgSI^Fekl^TO|^F|dZHGIT_GBUWFmVaGILdnGGIFeD{hKiWix^`U\JPUWFKp0^`FaJD{hHiiNjKjXNQOUFKpaf^FHJ

    LOZHUWQ^iiWNldQnD{NTQOhHS$ZujH^`T$^JPNzPU\SI^iXQOhKsYsYUFKpaw

    ZH^`L!UDd!GrLONNvYL_ZKGgQO^sBGSbUWT$SbhKUL^FHJ[T_GIkGIT$Q]GRJcNFHGNDLOZHGQOhKjKjHi|^ Q!SINFKFHGSL_UNFHQ$1EL_QSbNFLOT_UVKhKLOUWNF

    LONBL_ZKGLONL_^`ikNiL_^pGrdnNhKi\J[L_ZKGIFqVXGLOZKGgNjKjaNQ]ULOGNDdZH^`LUxLd^QVXGbD{NTOG

  • 7Pe

    load

    +

    -

    -

    +

    -

    +

    E1

    E2

    E3

    Polarity reversed onsource E2 !

    22 V -64o

    12 V 35o

    15 V 0o

    NLOGZKNldLOZKGc

    kNiLQ]hKjHjKi|^ QjKZH^Q]Gg^FKpiWGUWQQ]LOUWiiTOGID{GIT_TOGRJcLON[^Q

    zfKGIkGIFLOZKNhKpZLOZHGgiGR^JKQZH^zkG

    VXGIGIFcT_GIkGIT$Q]GRJwGsYGIstVXGITLOZH^`L}LOZKGjKZH^QOG^`FHpiWG!ND^`F|okNixL$^`pGJKTONjBU\QQ]L_^`LOGJBUWFcTOGID{GIT_GIFHSIG!LONoUL_Q}FHN`LOGRJ

    jXNi\^`T_UxL|w[kGFL_ZKNhHpZeLOZKG^`FKpiGYU\QoQL_UiWidT_UxLOLOGFm^Q

    zfL_ZKGckGRSL_NTgdUWiiVXGJPT$^zdFyioNjKjXNQOUxL_GcN`D

    dZH^`LUxLd^Q!VXGbD{NT_G

    22 -64o

    12 35o (reversed) = 12 215oor

    -12 35o

    15 0o

    ZKGT_GQOhKiL_^`FL

    Q]hKskGSbLONTQ]ZKNhKi\JYVaGpUWFY^`LLOZHGhKjKjXGITOiWGbDLnjaNUFL

    NT_UpUFYN`DL_ZKG

    `

    kNiLkGRSLONTD^FHJ

    LOGTOsYUWFH^lL_Gg^lLLOZHGgTOUWpZL^`T_TONldL_UjqNDL_ZKGc

    kNixLkGSL_NTR

  • KGFy02!P7horP}

    resultant vector

    22 -64o

    12 35o (reversed) = 12 215oor

    -12 35

    15 0oZKGoSINFKFKGRSL_UNFuT_GIkGIT$QO^iNFuLOZKGc

    kNixLQOhKjKjKiW|uS^`FqVXGgTOGjKTOGRQ]GFLOGJUWFqLdnNcJPUXGTOGFLd!^z|PQ!UWFjaNiW^T

    D{NT_sqV|[^F^JKJPULOUWNFNDiLONBUxL$QkGSbLONT!^FKpiWG

    sc^`vUFHptUL

    kNiL_Q

    fPNT!^T_GIkGT_Q_^`iaN`DQ]UWpF[NF

    LOZHGcsY^pFKULOhaJPG

    sc^`vUWFKpULg$

    kNiL_Q

    bwcULOZKGTrd^z|fSbNFkGIT$Q]UWNFL_NqTOGRSL_^FKphHiW^TD{NTOs|UWGIi\JKQrLOZHG

    Q_^`sYGTOGRQ]hKiL

    (reversed) =or

    =

    =

    -9.8298 - j6.8829 V

    -9.8298 - j6.8829 V

    12 V 215o

    -12 V 35o

    12 V 35o

    ZKGT_GQOhKixL_UFHpY^JKJPULOUWNFqN`DkNixL$^`pGRQ!UFqT_GSL$^`FKphKi\^`TnD{NT_sufKLOZKGF

    15

    9.6442 - j19.7735 V

    + j0 V9

    +9-9.8298 - j6.8829 V

    14.8143 - j26.6564 VF0jXNi\^`TD{NT_sufaLOZHUWQrG

    hH^`LOGRQLON1Hw

    `

    Hw

    wFHSIG^p^`UWFfXdnGtdUiWihHQ]G

    O!LONkGIT_UxD{|

    LOZHGgTOGRQ]hKiL_QNDNhKTSI^iWSIhKiW^`LOUWNFHQ

    NPO/QKRSUTNWVKXYN[Z[Z!\]T^\_R_`

    Qbaca/dcNPOea]fcdhg\i`

    QKjua/jcNPOea]jcmnfg\o` KRWTKXYT[PXtKXWQXWt!gUNS/R[`KR[ZX`n~U|PKXWt!gljpNU`KZua

    QKmcmpjcNPOYjnjpq[rWshg\o` TKRhgn\ |P~S[NUTKXT[PXg]PN

    n

    \o`VR[O_RU`n`PXPO]T^\_RU`^g

    tbalmpdua]dWv

    w

    NPOYSP\i`xalrndcrnd

    w

    t!\o`TcNPO/QDm#dQ

    Dm7d

    w

    XU`Z

  • 7Pe

    [tKXW QDmP Q

    Dm

    r

    w

    d[dndWd!a m

    w

    d[fndWd!aq[r

    w

    dnWsnnd^a

    b

    iWiLOZKGi\^zdQ!^FHJTOhKiWGQ!NDgSIUT$SbhKUL_Q^jKjKiW|cLONcSIUT$SbhHUxL$QIfPdULOZLOZKGgGIKSbGIjKLOUWNFNDjXNldnGTSI^`i\SbhK

    iW^`LOUWNFHQfPQ]NYiWNFKpY^Q^iikl^`iWhKGRQ!^TOGGIjHTOGRQOQOGJ^`FHJsc^`FKUWjKhKi\^lL_GJUFqSbNsBjHiGI[D{NT_sqfK^`FHJu^`iWikNixL$^`pGRQ

    ^`FHJuSbhKT_T_GIFL_Q^`T_Gg^lLL_ZKGoQO^sYGD{T_G

    hKGFHSb|w

    ZKGIFcT_GIkGIT$Q]UWFKprLOZKGrJPUWTOGRSLOUWNFYND^okGSbLONT G

    hHUkl^`iWGIFLL_NoT_GIkGT_QOUWFKpL_ZKGjXNi\^`T_UL|tN`D^F[kNiL_^pG

    Q]NhKT_SIGUFTOGiW^`LOUWNFYL_NtN`L_ZKGIT!kNixL$^`pGQ]NhKT_SIGQDfUxLSI^F[VaGGbPjKT_GQ_Q]GRJYUFGIULOZKGTnNDLdnNJPUxGIT_GIFLd!^z|PQ

    ^JKJPUWFKpqiLONBLOZHGo^`FKpiGfPNTT_GIkGT_QOUWFKpoL_ZKGoQ]UWpFuN`DLOZHGgsY^pFKULOhaJPGw

    GbL_GITsYG^Q]hHTOGsBGFL_Q}UWF[^`F[SbUWT$SbhKULnSbNTOT_GQOjXNFHJtLONgL_ZKG

    H@_BH}P

    N`DSI^iWSIhKiW^`LOGRJkl^ihKGRQIw

    GSbL_^`FHphKi\^`TGbPjKT_GQ_Q]UWNFaQNDaSbNsBjHiGI

    hH^`FLOULOUWGQUWFB^FBSbUWT_SIhKUxL}ZH^zkGFKNgJPUWT_GSLRf`GIsYjKUWT_UWS^`iG

    hKUWk

    ^`iWGIFLf^`iLOZKNhKpZmL_ZKGI|^TOG[SINFkGFKUGFLoD{NTojXGITOD{NT_sYUFHp^JKJKUxL_UNF^`FHJQOhKVPL_T_^SL_UNFf^Q

    UWT_S$ZHZKN` Q

    }NiL_^`pGr^FHJ0nhKT_TOGFL^zdQnT_G

    hKUWT_Gw

  • 5h

    =

    i #Bb7AB#D7

    R

    biAPUP PB[UPUWD_WUAUiK D K WPKU{AUKD UP

    Io UnUP n W PKW K

    Time

    +

    -

    e =i =

    ii_PKi UIPUP ii DKP@h_ioWP_ U7!BK_I P

    ]U W WKWU_W UYUB[APo UIKUlYKPW1K]UBU UP

    PB[IKUKWl BUln @U[!U[lIUWKKKUBU[D_IUP1PUUP

    WP_ K[@UKoU#BKiWUPUWD_W2 iUDUKi

    U[UPUPP_In _PA@_Ki_

    ]UU ii1 U

    n@@

    !o_KKKA@_Ko_P_

    D

    o!"Ki

    PP_[D_KiUP]UPU PB[ iB#WK2PD_[UKBWPWUUUUB[Ko U_ Bi$

    %b&Ui!@KUiWPBKI KB[KUPU1Ko U _[U!i'P

    UWD_WU WPAiW2_ _[U!i'^_W(U[1UUiW[UWK

    )*

  • +-, .70/21Kl3/.P .0/"4h657/84 .0/:94@/

    P]WiBAP1 C%{]pKU KK WKPUWD_KiUP@_Ko_7UUUU _P1 PB[

    i_ _ BUBK_K!@i2KP_iEDnK iW _ K_2PWI@UKo2U K_

    UD_P(

    Time F

    +

    -

    e =i =

    p =

    GUP_P!@i KiUiPBW_U@UK0KBK Ki[!WW D@WK2K]H[P

    UWD_W U!WWUiKK @B 'Io7Ub[U@UK8UnUiB@KiP KB[

    KB[@W

    Di@cKAKo!PUWD_U2 _ KiW_UPD1oPD!WW ]UP U!@i

    KB[@W nKD!BIAPKiJDnPBW_UnK DiK[P_ [U nKD!BHMLK IBUP B[

    _!U _NU@BB P@KAi U U] P@K @BKD-nP2U KIWKB

    _ioUP PAW _Pi@ BPBU"K KB2KIBKiW2!WWAUKB[@W iW

    {KP_iiKBU

    HO QP RSAB#D7

    PWK_7DiP]UK_U#i UDTKBiW#o UD#KAWK[KCP@_ ioU

    PWKUKi

    DnIWKKK WUUUi KU!UUPUU2KBKB[H_PP WUP[

    UK

    IBKB[KUKWPBDnUKPK2WUUUiPWWWP_WK

    _

    6V

    UK

    #_BKB[

    UBBUDK_ XWT!ZY$[

    W

    \

    UK 7P oAWUUU#U]{U!PD2!U _W{22_WD_

    PB[@Koi[@UK7LP_K Ki[ P iWK1UUKPKKPPBi1UWD_U

    _PPUW_PPBiW]P@_^K#BKiW o iWK#nK!U _ bBUi_PUKP1$

    PBiWJP@ UP[1PiBoULPWK!WWl BKiWDPUKU B_i

    `B

    !

    D@PB_1o D_PB

    `aKii_Ki_ BUUKB @WPKD! BBKUWD_WKWKoU WKPKPUUP

    D@ U PB[DP_PU2KUPUKPP UWPDb

    e = c did

    dtdLe

    LKKoU

    f

    @

    WKUBUBK!i_PKKI_UDP_PU_PUWD_KiUP KB[

    @UiK_P!BiBUP(0LP2PUP

    %iK_P K P_[D_KiUPUWD_W

    ]H

    _^ WKU7UUTLK@ P_P_K!B7UBP@P BKiW@Bi __[i2IPPP U

    D K

  • 1 gK/."4X;h.Cij.k.l;Pam +Bn

    Le

    ABPUPIBKB[UPWU_W UK UBKI BK! WK nU KK

    WK

    Time

    +

    -

    e =i =

    oiIiD!B^KWU_WUPo UB[2_ PU iWU _WU2K

    UK

    KB[

    PWKU7LPB UnKP_[D_KiUPWU_W iBKBKiUiKPUWD_KiUP Ki[ _

    !i-

    Bi1DP_KW!U2iUi7U!^U K KB[2P]U]H _PKIPD_[UKBWPUUUU @

    !i-KiiUiPP_[D_KiUP KB[ _-nAP D_KW

    K2W[_BB!iU!WP

    PB[]W[KB WoK BiIK]HpLK oPDAWU_W]UP_ C*

    ,rq

    W_PPU

    K PB[]U@%{nnPI_K UD_K(WP2WUUU]U2iBIP]U2 UKiW UAWP

    PB[]W^[PUUUUk_iWKsAP Ki[K_K KB[3_ _WD!BPP1KUWD_W

    Time

    +

    -

    current slope = max. (-)tvoltage = max. (-)u

    current slope = 0tvoltage = 0

    voltage = 0u

    e =i =

    current slope = t

    current slope = max. (+)tvoltage = max. (+)

    0

    LKKWW BWB1U2[ioKKi K_K@BWK D K

  • +` .70/21Kl3/.P .0/"4h657/84 .0/:94@/

    Time F

    +

    -

    e =i =

    p =

    ii_PPUWD_KiUP!@B KPP _KPUWD_KiUPWUUU _P PPU[_PBU

    PB[ 'I]H[P!@iKW_ BiAKBKiUiPP_[D_KiUP Ki[l

    WU_W iB#@KBZv

    BWBK P_[D_KiUP PB[_P UUUU2_"D!_ !WW -D!@UK K]HK @B !WU

    K2o U!K_KWP!@i _ !WU2KBK2PU[_PBUBKB[UPWUUU

    __D!_PBW_U Di@PAK]H@BWBBD!iBUP KI Ki[_PWU_W ]Wi_*

    , q

    U_

    KPW[Ki _oPB1UK2!WWPK _KB PBW_UWiKK1K[P_K[Ki[

    BBKB iU=

    [@

    D

    '

    nS

    \

    P_ni_

    [@

    @Bo_$wi_P_KPW ioUK!@iCDPUP

    D KK I!WW @Bi_P_ -DPUDKKA!@iWxKBD K

    PB2K !WW

    _KB[@W@B i_KW_!UUKPK_KD@W@Ui#[K2PP UBiUiyxP

    UAD@B=DPWAAK2BD PU-DPUDP@UBK P_UABUK 2BnB0P@K i_

    1IKDU B_ BP2P@PoUD_PBU_1PP UKP_iIKBiKBUUiB#ZK[K KKW

    PiUP U{iWWKDKP_iBPBUAKW_bPi@azUW(UK #W!Bi

    PP UDUPKDP]WP o D_PB

    1PP Uo UK!WW DP_PU2 PB[D_P_o_1UK!WU _iP_K KB[

    UiKBD_{PPD lDnK!|PKU _]D_KWK PUWD_KiUP_UPPUP Ki U(lLK

    UP[U1UBP@P Ki[ Ui D_PBBDKK}!iiW@_]iK

    KPWKDBiB Ki[UP UUUUb_P AKP_i iB !@Bii_PI_K}!iiP o

    APUK~}^BB[APU

    [

  • 1Z gB.6"4X;[email protected];TPam +

    BKiW# KPUBD P #K[PUn KUWD_UkUWDnKiDnPPKPW

    iU UP ] WK!NxPU W_keBKiW 1KIiUI BK K[P_ PIWUUU

    UWDno]D[KiUP UPH

    Le 10 mH10 V60 Hz

    XL = 3.7699 (inductive reactance of 10 mH inductor at 60 Hz)

    I = E

    X

    I = 10 V3.7699

    I = 2.6526 A@BWB_KiiUiBP_WU_W_ Ki[_KUKPWKB7WK@

    iUB7K1UWD_U PUI KPUK_kl*

    ,q

    ioI K KB[1iKoi[APi

    KPWI_KWoUUWD_U_P Ki[@PB@i_PAWU UK!nK Di! |PPP_

    _1PP U UK!WW KB[PUIKPWUKUn[$

    Opposition =CurrentVoltage

    Opposition = 10 V 90o

    2.6526 A 0

    Opposition = 3.7699 90o

    or

    0 + j3.7699

  • +)

    .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    Opposition

    For an inductor:

    90 o

    0 o

    90 o

    (XL)

    E

    I

    z_Ki_ BUo]P_bKKPWUKU_KUPKPU {UK!WW2BKB[{ b*

    ,q

    ]iUKK

    @#_PP W UK!WW PB[{ 7!WW_UPUkK[P_[@LK PPUUKUUKoUW

    UP[U BKiWDo WIo i_ I!UU[I/BD K_PU#io _ WBUK!

    D KKBiWD_PB_PAo _ [BDU T[K@UpD!BP!|BUWBKiB[C# U!UKi[

    UP[U Ki[2B2U WK[PD!BDD@KB2P_ i_ _kKW_[i2_o D_PBUP

    iU UP

    X"

  • 1Z1ZmZ/836/7m
  • +

    .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    BW 1KKPiPUBD P

    Time

    +

    -

    e =i =

    phase shift =37.016o

    KWKo U _PIPW^KKPWIi_UPKP"DBiB WUUUUP BKiW P]WB(

    DPUKUoy W7UUUUUB[Ko U# 7KPU_

    ,rq

    K#KBKB[7PWKU^n_PP

    UWD_WAUB[KIPKPU2l*

    ,

    q UK_KPUA KI KB[WUKPWKUk Ii_WB

    P_Ki_ BU

    E = IZ

    ER = IRZR

    E R = (1.597 A -37.016o)(5 0o)

    ER = 7.9847 V -37.016o

    Notice that the phase angle of ER is equal tothe phase angle of the current.LK UWD_WUB[Po UPUK!KWUI KU2UKUUKBKiWPWKU iP

    PP@3`UPX_2KPWUKo UWKB!

    E = IZ

    EL = ILZL

    E L = (1.597 A -37.016o)(3.7699 90o)

    EL = 6.0203 V

    52.984o

    Notice that the phase angle of EL is exactly90o more than the phase angle of the current.LKUWD_W UB[AP1PWPU KPW_PU U

    +

    B *-)

    q

    K1K Ki[KWKU/P

    PP UUKPWUKUU7v

    Z

    ,#n

    q

    ~}^BB _!KW*

    ,rq

    DBiB K#LK 2i P

    @`Y_P

  • 1Z1ZmZ/836/7m
  • +

    .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    _Kih|PUPo_UiBIDUA_!UiUBPD K BKWK WUK D!3D!BK| _

    UP PK

  • 1Z1ZmZ/836/7m
  • , .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    E

    I

    Volts

    Amps

    OhmsZ

    R L Total

    5 + j05 0o

    0 + j3.76993.7699 90o

    10 + j010 0o

    5 + j3.76996.262 37.016o

    1.597 -37.016o1.597 -37.016o1.597 -37.016o

    OhmsLaw

    OhmsLaw

    6.3756 - j4.80717.9847 -37.016o

    3.6244 + j4.80716.0203 52.984o

    1.2751 - j0.96141.2751 - j0.96141.2751 - j0.9614

    E = IZ E = IZ P@WK DK WKBLK!KU AUIKi _KKi K_PU Uh_

    D KUKKu D KWi{{ KB]Wi@ P@AU8K[PU[i AD!BKiB[o UP

    BUBK @o1BUK! D@KBP_i_ _UaIUPIWPPU2KKU!BiKoi[i 1UP

    BUBK @UUKiKPPK_iWD_^}!iiP P@UKKWWDDUBD P_PU#WBD

    _"

    G@ Un BnBxKB @UKD! BilKiBUBK_o|PWKo_P/iUKK[

    UUiJDn U PUPKB[IoUKiB[_WUUU UP BKB[JLKX|UKiKBP@o

    B @1o_v}iWPiIi[_1K[

    -

    $KUoD_KWKU Y_KBUDK

    UWB WKKo WU B U WKIo U2 K BK UPP B_WU

    KUB

    +

  • 1Z('Zy3*)#)T/+)M3/7mZmCih64
  • .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    E

    I

    Volts

    Amps

    OhmsZ

    R L Total

    5 + j05 0o

    0 + j3.76993.7699 90o

    10 + j010 0o

    10 + j010 0o

    10 + j010 0o

    Rule of parallel circuits:

    Etotal = ER = ELG@lBU_PKAK 0%{]sIl`=y{UB BU222BUKP_PKDKUBUBK @K KB[

    PWKU Ki U_P1 PB[KUPU KPP W

    E

    I

    Volts

    Amps

    OhmsZ

    R L Total

    5 + j05 0o

    0 + j3.76993.7699 90o

    10 + j010 0o

    10 + j010 0o

    10 + j010 0o

    0 - j2.65262.6526 -90o

    2 + j02 0o

    OhmsLaw

    OhmsLaw

    I = EZ

    I = EZ

    WPWkpBD KBDKD_DBKiWDPUUBbpBD KUP U KUU{ KB[

    DDKK-}C KiW3%]pbPU KK2UcU W3kh!

    E

    I

    Volts

    Amps

    OhmsZ

    R L Total

    5 + j05 0o

    0 + j3.76993.7699 90o

    10 + j010 0o

    10 + j010 0o

    10 + j010 0o

    0 - j2.65262.6526 -90o

    2 + j02 0o

    2 - j2.6526

    Rule of parallelcircuits:

    Itotal = IR + IL

    3.3221 -52.984o

    _P_UoK_ i_D!i_ K @iDn1PKAK "%{]{(Il`h?WB BU K L{v

    U& WK(_ B[U^PUUBI!iP_PBIi_ UXD!Ii_ K @iDnPK o Kni_{UAK

  • 1Z('Zy3*)#)T/+)M3/7mZmCih64
  • -)

    .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    87 9(RS7A;: B1

  • 1ZCBr64
  • .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    LKKWKBK2@_KW=M Kl_KKB KPP W aii_P oUIWKWKUPU

    iUP ^PBiKiy[ KWZv-MYPP UaD! i_ @hv-MYPW#UKiWIPK!Wi7Ki_

    PP UUP P]UOMeUZ|PPKBB!}^i U o _

    ii_PPWiU UP l@Ui KWPBPB#PM @@BUiPBK o W

    !}^i UPP UDs[ !}^ibDU @W Wo^iP PB[bUPnBi _ 1@_

    K[KB 1M K[o K_@UPWWWP_ iWD_PB UDB WM @_KP]UKiB

    iUKP#AP3D!i |Po1__ K _iKWPBPB

    [] o D_PB ( KAWK1PW"K[KsKiiXD!]__6KKA WP_P

    APKKPUbBUKKPP UDUiP_D@iIU iWD_PB8Dn_ PK @KAW_E _

    @_K (UUU_KBpnPI_^Bi i_KPK_U$!UP]UKUiWUUB_U UP BWBU

    D! BB PPhBUPUBD_PBaD!KUi KK!nDP_KByDKAQ i]@ K

    !UW7P@#0D!B]UiUi}^BB[U PUP U_PB UKKBa__[KoUW

    KK_7o_ PP W

    !R S A#R UTWVX< R PY XV

    {KBnWPIi[UKoyoKn!}^i{KB_i@KBKiW BPPb]UWD]Ui@KUPU P

    i[BUW BUPWnKDi WPP U Pi_KK UBaLK !}^iWBP

    Wvi UPU^BUPKPUUoI]@U -DK2i_ UBP@PBiW]P@_KP iWKIKAo D_PB

    _@ WPP UD@W@WK KW_D Wo KB[

    Cross-sectional area of a roundconductor available for conductingtDC current

    "DC resistance"

    Cross-sectional area of the sameconductor available for conductingtlow-frequency AC

    "AC resistance"

    Cross-sectional area of the sameconductor available for conductingthigh-frequency AC

    "AC resistance"LK Bi i_ iUP 2_P UPU_b Wvi UPU!UoAP CnK@UP

    _o D_PB KUho _ _PUIBUPWBBK1KUPBk|PWKiKK

    U P sn !}^i WU1B_1i@KU K[KBPBoKYBKB[]UWKD]UiKUKWW

  • 1Z[Z5ih3/ih0/]\mFk62/+^U^0/"._\

    N

    _P WPP U W6v oWP_7_i#XKW KPK!W_ WPP K KB[{KIU[AW

    ByDKW@`

    AUDUUKKi@U8 U[BPPU]I[K_D-DKB^K!}^i !KUi(@nP W-v}KWPBPB

    k KB[UPb ]WB7KWKU K K_BUPWA_nn]bn K_3xAPU@

    D_!KiU_{U D_^o_]W3D!_ iWW_P Ww]z[_[iKPP Ki_

    U UKW@cB_^BD!iWK iUUb

    LK2BWiK DK[KB }^i K2!}^i U2o D_PB_{2 UPUIUiDn

    PWUU _7@KP _Uv}[_Wo!K&DKUKUKWKP on!}^i DPUKU

    iUP W khP_Uv}[_Wi_UnUUB K[KBPBaLK K[P_U U_KP?_K

    s[1!}^i2@KU KWPBPBoWo@iPU

    n

    z UW@

    R AC = (RDC)(k) fa

    Where,

    R AC =

    R DC =

    k =b

    f =

    AC resistance at given frequency "f"c

    Resistance at zero frequency (DC)Wire gage factor (see table below)=

    Frequency of AC in MHz (MegaHertz)LK2U@KID-DK UUiUKK?@@UKo_0-Z UUW]UUUPP &Bi

    d

    eZ

    g

    Z fgZ#B

    hhhNhhhhhNhhhhhNhhhNhNhhNhhh

    i

    NrNNNNrNN

    ?

    =

    i

    NrNNNNrNN

    Np

    i

    NrNNNNrNN

    Np

    NNNNrNNNNrN

    Np

    NNNNrNNNNrN

    Np

    NNNNrNNNNrN

    Bp

    NNNNrNNNNrN

    7

    ?

    NNNrNNNNrN

    p

    NNNrNNNNrN

    p

    NNNrNNNNrN

    ?

    N

    NNNrNNNNrN

    86N

    KWK_K{ iK_ UnKD!B

    n,

    [_UI ]khBPZv=-vBP o D_PBAU=

    +]

    UK

    P]W2U }!oU?o _ _aZ

    n

    _AK[KiP _

    n,

    z3

    R AC = (RDC)(k) fa

    R AC = (25 )(27.6) 10

    R AC = 2.182 kj

  • .0"0/721B3/7.#" .0/:"4657/843" .0/:9 64@/

    iWiBD!B@K =|PWK2 "

    I!iP_PBK_K[ol'

    BUP B_niU U!}^iD

    PP UWBUPUBW0LKKIUi_o|PUKU^PKi D_PBUKBUPW"P_

    UP[U K2@u_Bi UP2K D H P@I!@B KUUKo@HHBUoi

    Usn }!o]oiWD_PBUP K BU DKPi !}^iDUiWUP _ i D_PB !iKUP ?H7_

    B[B }!ii[_BD

  • k lnmpoWqsrut v

    w x y z { y | z x y | }

    ~ x } y | z x z y y z ~0{ ~ x

    , i QP #7 { #

    R

    biAPUP PB[UPUWD_WUAUiK D K WPKU{AUKD UP

    Io UnUP n W PKW K

    Time

    +

    -

    e =i =

    ii_PPiW_@_ UUK[U KB[oKU!UUPUAKUWD_UU W#_

    _U!BnP{UI]K]W WcUbKBKiW!KU KUP]U WcU{KUWD_U

    B_n __n!UW_UKIKKU&BU[D_b _KPU_P WP_2K[@_Ko_

    PB[_P UWD_U21iUD1_KB_=_nXUPUPP_An @P2@UKo_7]U _2BBoW

    B

    -'N

    #!HWo_KK P@_Ki@P@#

    -

    HaPBPD_[UKBWP#@_KW

    UWD_W=iB#WK2D_[UKBWPBKiWKUPUKi U _ Bi$@%{WB [_KWIi[

    KBK UWD_WUB[K iW @!WW!i'[K Ki[KWKU K iW

    _ A@!WWo-n_PUb7_nIUUB!U[_UP K]WirAK =%{]KWK

    *

  • , .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    K2UKP_[D_KiUP@_KiUWUUU _P1 KB[

    i_ _ BUBK_K!@i2KP_iEDnK iW _ K_2PWI@UKo2U K_

    UD_P(

    Time

    +

    -

    e =i =

    p =

    GUP_P!@i KiUiPBW_U@UK0KBK Ki[!WW D@WK2K?H[P

    UWD_W U!WWUiKK @B"'I7Ub[U@UK8UnUiB@KiP KB[

    KB[@WDi@cKAK!PUWD_U2 _ KiW_UPD1oPD!WW ]UP U!@i

    KB[@W nKD!BIAPKiJDnPBW_UnK DiK[P_ [U nKD!BHHMLK IBUP B[

    _!U _NU@BB P@KAi U U] P@K @BKD-nP2U KIWKB

    _ioUP PAW _Pi@ BPBU"K KB2KIBKiW2!WWAUKB[@W iW

    {KP_iiKBU

    , HO QP P/3/A #D7

    _U WIK_CD!BP]WKU2Wi UDTKBiWi UDU@ P@_BiWPKUPU

    PBo KU!UUPUK1UWD_UKW(BUPUBUDUK!W

    U

    -NrH UWD_WDn D]K

    UIPKK[K KB[UAPBDP_U UKDP_UK1KBxWU_WBUiMLKXP@x_ioU

    @KUKW#i_PW U oPWWWP_!Ks

    6V

    U

    -Nr_7UWD_W2W WKBUPUBU

    LK UK!WWUWD_UDP_KW UK_KBU _8

    !

    !NDKUPP@KiBBUK!W

    P_[P1!K&DKo

  • 'Z gB..0"y.@PCih.@6_.l;bPam

    n

    ABPUPIBKB[UPWU_W UK UBKI BK! WK nU KK

    WK

    Time F

    +

    -

    e =i =

    oiIiD!B[K PB[KUKW Ai_PW W AiWU _WUK

    U

    1UUUUW W

    LKiBUKKIPU[_PBU PB[ iBKiKBWBKAPUWD_KiUPUWD_UA2@ o-iB

    DPUKU@U#BUiKU!UUKWU_WK]WHW_PAKPUWD_KiUP7BKB[# #@2o-APBBUi

    PD_[UKBWPUWD_U @-nAP DPUKUK!U[U#iB!iU!U1KUWD_W2]U

    KiB[i KiBK!LK AiKlUWD_W]WP_Av*

    ,q

    WA_KUP

    PB[]U=%bnnK@KWUK(KKABKB[]UBBP]W_KoUD_W KAWUUU

    ]U^[K KB[3_iUPsAKWUUUUPKUWD_WlUUWD!BKP P Ki[

    Time

    +

    -

    e =i =

    voltage slope = 0ucurrent = 0t

    voltage slope = max. (-)current = max. (-)t

    voltage slope = 0current = 0t

    voltage slope = max. (+)ucurrent = max. (+)t

    WU U[P]U2UKoi(UKUI2KnPP_^!@i]WP_ ]c KK2PP U

    D KPoiW1KKBUPUBU D Kn[$

  • -

    .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    Time F

    +

    -

    e =i =

    p =

    7IKKPKPU D K@K3*

    ,

    iUBKPWKpD! BiUUUU_PI PB[#oPD

    !@i]UP@_iP_oK[PUDBiB!WUUPKiW_U0LK o_PP_B_U W

    niKU7KP_@B7U7iWDUW_PDPUKUo{AWUUU^@#BB-DPUDP{UPioUib!@B

    _i@i

    i_PW U UK!WU11DP_KWWUUU D_ @i _WK[U _i@KWUUU

    WBKiU{KD _Dn |PKU_]n DPUKUK PUWD_KiUP UUKPKUP oUbXKW

    _n UUB1_WKPU7cWU_W@UUi1KWPBPBPi_PW UUWWBiTW UP

    iD_ _WKP UBKB[UWPWKBKB[KUKW IiW APPW U{P2WUUU

    UB[Ki UUPIKo _ -}^BiDnKo U_K PB[#PWKUi_PW W#

    KP U_KUUUU UB[P_Ks

    -

    -}^BiXDnKi_PW W7PP UD

    PiWUP _B_U W KoiWK_PnD!UiiDnIP Bh W7 D2U

    o |!

    nP i_PW WkUBUPKP Ki[ KU!UU K_UWU_WID_KWbKB U

    UA PB[W WBsvDPUKUKUWD_Wi=UKiD_U_ DPUW KIUIAUUUU!i

    i2H_P oBKiW2U@iv DP_PUKUWD_UoP@ Po_P2 2P_ iWD_PB

    UPW_n i_PW U _

    !2KU!UUPUK K[KiP _{K_i@K PB[

    XL C = 2j pifC1

    B?NZ

    #N?B=

    NB#?jsBrZ' BN#?BH-

    g

    NNrNNNNrNNNNrNNrrNrNNrrNrNNNNrNrrNN

    8

    N

    NrNNNNrNNNNrNNrrNrNNrrNrNNNNrNrrN

    ?N

    8

    NrNNNNrNNNNrNNrrNrNNrrNrNNNNrNrrN

    N

    rNN

    NNrNNNNrNNNNrNNrrNrNNrrNrNNNNrNrrNN

    iWIKUIP_KB @WPK _BUPUBWiWUP 1K[KiP WWK[IU

    @U^PUiWD_PBp_PW UoU _ UP7o iUi7 PBoUP K[KB

    UnWBDiPP UiWD_PB UPPBoUi PBoUK hK[KiP PKPUDUBv

    !W UiD_KWK Ki[pDnKP KUi@BWUUUU^nBUPUBUDUP[ UBDP_PUK

    UWD_W2UhD[ _@KIUi@B PB[

    KB[{AKi_PW U D K bKW__KWU_W3UWDbn iD[PBUPUBW

    iU UP ] WK!NxPU W_keBKiW 1KIiUI BK K[P_ PIWUUU

    UWDno]D[KiUP UPH

  • 'Z gB..0"y.@PCih.@6_.l;bPam

    10 V60 Hz C

    100 F

    XC = 26.5258

    I = EXL

    I = 10 V26.5258

    I = 0.3770 A@BWB_KiiUiBP_WU_W_ Ki[_KUKPWKB7WK@

    iUBUK2BKiWPUKPUK_@l*

    ,

    ioAK UWD_WbiKiB[KiPPU

    _PUiUUWD_UUP BKB[I_Ki@ BU7 i_ BUBK @ K KPW1_KWUK1PP U

    iU U2UK!WU PB[

    Opposition = VoltageCurrent

    Opposition = 10 V 0o

    0.3770 A 90o

    Opposition = 26.5258 j -90o

    I

    E Opposition

    For a capacitor:

    90 o

    0 o

    -90o

    (XC)z_Ki_ BUi]P@bKKU_KW#Uni_PW U ^UK!WW2 PB[b v*

    ,q

    ]iUKK

    @#BUPUBU {UK!WU PB[ 7KiW_U_UPUkK[P_[@LK PPUUKUUKoUW

    UP[U BKiWDo WIo i_ I!UU[I/BD K_PU#io _ WBUK!

  • ?)

    .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    D KKBiWD_PB_PAo _ [BDU T[K@UpD!BP!|BUWBKiB[C# U!UKi[

    UP[U PB[1BU7BUK! nK DiK_ KUaxPi_ _CK[P_[iUi D_PB2UP

    iU UP

    X"

  • 'Z1ZmZ/836/7m
  • .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    5 - j26.525826.993 -79.325o

    370.5m 79.325o68.623m + j364.06m

    Ki[2ii BK 7PUoK[PU_Dn_ U!UKi[_K=|PWKo{PW iAAKCL{U_

    WPI1W Ki[i_DKDPo _ _PB WPIUB

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    5 - j26.525826.993 -79.325o

    370.5m 79.325o68.623m + j364.06m68.623m + j364.06m

    370.5m 79.325o68.623m + j364.06m

    370.5m 79.325o

    Rule of seriescircuits:

    Itotal = IR = ICU[nKKUP_PUKBUUKKAP] 3%]`=I"6oWB BU BIKWUUU

    UB[Ko UUP i_PW W

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    5 - j26.525826.993 -79.325o

    370.5m 79.325o68.623m + j364.06m68.623m + j364.06m

    370.5m 79.325o68.623m + j364.06m

    370.5m 79.325o

    343.11m + j1.82031.8523 79.325o

    OhmsLaw

    OhmsLaw

    9.6569 - j1.82039.8269 -10.675o

    E = IZ E = IZGU P@lKWU_WUB[KiW#PUK!KU UKPWUKUUK Ki[KUPU

    KBKP_"`_

  • 'Z1ZmZ/836/7m
  • .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    I!iP_PBipy _7_PUUi8xP{W#o D_PBiao^ii BD K{__n Bo !iKUP o

    UK U K _D_!iKUP UD1K iW_i_ K @WPlBUK!:KU

    i_ _H#W8

    q!

    I " $ CC7 %

    iUKUP@1!iKUP o U]UKcBiB[_Di_P_ n _ABUWKB[D

    UK KI!iKUP o_LP_2 ^iU!iKUP ^PKPWoK_PBbUPBUPUBW

    !iKUP _2D! i@i PUI ]@PB@i_

    pPKi o U2!iKUP _]P]UIKPW_PU2UW

    ,rq

    {&:Io

    ,q

    !

    eKKB BUPUBW!iKUP _]nP]WKPWUKU _#!KU v *

    ,q

    I

    v*

    ,q

    H

    AK C%]U BKp`:Is^ZCI `=J^$MI`h?

    KBiW_1i_PW W_2Ii WUBKi D KP _D_boK_ b]U

    KPU_KW UBKikD! Bi

    ,rq

    UP

  • 'Z('Zy3*)#)T/+)M3/7mZmCih.0y.@PCih.@6_.l;TPam

    -*

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    10 + j010 0o

    10 + j010 0o

    Rule of parallelcircuits:

    Etotal = ER = ECG@lBU_PK AP] a%{] sIl`=ybWB BU222 WKP7KDKUBUBK @K KB[

    PWKU Ki U_P1 PB[KUPU Ki_PW U

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    10 + j010 0o

    10 + j010 0o

    2 + j02 0o

    0 + j376.99m376.99m 90o

    OhmsLaw

    OhmsLaw

    I = EZ

    I = EZ

    WP#Uk BKDKUPDBKiWD{PUUB BD PUPK2UeP_D_ KB[

    DDKK-}C KiW3%]p_[_$H

    E

    I

    Volts

    Amps

    OhmsZ

    R TotalC10 + j010 0o

    5 + j05 0o

    0 - j26.525826.5258 -90o

    10 + j010 0o

    10 + j010 0o

    2 + j02 0o

    0 + j376.99m376.99m 90o

    2 + j376.99m2.0352 10.675o

    Rule of parallelcircuits:

    Itotal = IR + IC_@U_noK_PBB_D!i_ K @i DnPKAK a%{](Il`= Uii_K3L{U_

    WPIb]K PP UP DPUi@PUUB[I!iP_PBi_I_ "DBUBK @oDnPP

  • , .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    i KB_UAK KB[ BU#P@Po i_ K @PP_D_iiUP o

  • 'ZCBr .0y.@PCihD;b6_Fm

    n

    , 87 P/3/D: B1

  • .0"0/7'Z/8.$ .0/"4 658/84 .0/9.0y.@P@?>0/

    Idealcapacitort

    Equivalent circuit for a real capacitor

    Rseries

    Rparallel

    KWKP_B[Ki]iUP oU2PP__oIU @cBio _ _P KW

    PUUB^iUP ?HAD1iWK~|!B_[PU1KD]o _ iPoiWU]UBD_WPP U

    `i U[ BUPUBUDrnK@WKBi_UiKUBUPUBD_PB_@WsnKAWU_Wn_

    _ [P@UKBKUWUP[PiPKKDUKDPUWB BUK W UPi_K

    Bi 7|PUPAKioU[PWUGKio _WU in UBiW[BUPUBUD

    KUK KBWB_D!Pi hPKo ~o:DK Ui#2BUPUW_uUUUUIKBUi[K

    P2i_PW UWxBWB8D!BK#DZxi iIiUiUWD_WT`UiKi(nPBi WDP_DU i i

    ]D! niUB KWD WIKUK_KP B_U_nn]

  • k lnmpoWqsrut

    w x y z { y | z x y | }

    ~ x } y | z x w y | } z

    7i BWs/RS P

    %bB UK W@K!K_K BKUP1_PUNB

    120 V60 Hz

    250

    R

    L

    C650 mH

    1.5 F

    LKl|PDi K iK PoUD_PBikUKUKPUUPKBUPUBU

  • -)

    .0"0/8]Br/8.$ .0/"4 658/84 .0/:9)#"4 .

    XL L = 2pifL

    XL L = (2)(pi)(60 Hz)(650 mH)

    XL = 245.04

    XC = 2pifC1

    XL C = (2)(pi)(60 Hz)(1.5 F)1

    XC = 1.7684 kLKP!nIi A !KiA_i D_PBiUPiU UP o/@PB@i_ WIW U]

    I!iP_PBCoBiD!BP@UPWiU UP 2D_ @i[!WWUUP_I!iP_PB

    W UoK_ /_Ml*

    ,rq

    HKli_PW UiWUP UP_i[pKB[@W_W_

    I!iP_PBoK_PB_pv*

    ,

    q

    !0oiUP U_bBUKDU iWUoW KPi_iU&2I!iP_PB

    !U _UKU _

    ,q

    !

    ZR = 250 + j0 or 250 0o

    Z L = 0 + j245.04 or 245.04 90o

    Z C = 0 - j1.7684k or 1.7684 k -90o

    120 V60 Hz

    ZR

    ZLZ C

    250 0o

    245.04 90o

    1.7684 k -90oG@_]_rK[PU[i_PWK[U2Bi BKiW!KioBUU(_BUK!nKD!B

    U@_ W!iKUP oKUP P_UiUP oWoUD_PBiH[PB i_]D PUPi K_2]

    U7PUiUP o7__lBD P@LK # _ iUD]lP__PUD-DKU#K BK

    _Pi_K_WWB#|PUKi_D_7UWD_U!UPK!iKUP o2_Ki U!PW UP

    BUPUBUHH

  • BrmZ/836/7m
  • .0"0/8]Br/8.$ .0/"4 658/84 .0/:9)#"4 .

    E

    I

    Volts

    Amps

    OhmsZ

    R L TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    250 - j1.5233k1.5437k -80.680o

    12.589m + 76.708m77.734m 80.680o

    OhmsLaw

    I = EZ

    BK BiBD K#BKB[APD K[PUPWKU U U!UKi[L[7 BU -WP

    |PWK DUKoWU_ Ki[UP&DKoUD1_{K_KBBUKP

    E

    I

    Volts

    Amps

    OhmsZ

    R L TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    250 - j1.5233k1.5437k -80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    Rule of seriescircuits:

    I total = IR = IL = ICG@ PiP_i _KKAK "%{]`hI"syoUDUKAPnKP_ U!UKi[ WKP

    K DKnK iKUWD_W2U

    E

    I

    Volts

    Amps

    OhmsZ

    R

    L

    TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    250 - j1.5233k1.5437k -80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    12.589m + 76.708m77.734m 80.680o

    OhmsLaw

    OhmsLaw

    OhmsLaw

    3.1472 + j19.17719.434 80.680o

    -18.797 + j3.084819.048 170.68o

    135.65 - j22.262137.46 -9.3199o

    E = IZ

    E = IZ

    E = IZ

    GU W PKD_KWKB#UKUKW WKKKPWUUU UK

    n

    ,

    UWD[KWUUUW W

    Pi_PW W

    n

    Z )rUWD4@ i_ K D?wQLK_BIiIlK[BDUWJD! BB/P

    PP UUPB_U UiWUP o@`aKioW#I!iP_PBiWBUBP@KPWUP[o

    PB[ _KKiKiBB WK[P_A_P BUPUBU]`pnPoi i UKUK _ WP

    PP U oK_ PUI [U1UUP_ B UPKB_U WUI KiW_U1_W_

    iKi Ko U[UI!iP_PBiUUKKiiiH KB iP BUP i#iWD UKi

    UKAKUKW KB 3

    U

    !1KnKP K P@P W_!_ iKB

    _K1P[ PU i_PW U1UIPKPW!iKUP o_UKJUP_UWUPUKKK WUBKi

  • BrmZ/836/7m
  • "U8]Br58

    $

    "5 ++

    )#*

    N

    #

    #

    'Z#

    ?ys$

    a

    s$:(

    'Z#

    ?$

    a

    #:

    Z

    rB

    ?$

    a

    (

    8

    rNZ'

    B

    Z'

    Z

    Nr

    ZN

    86NN

    N

    rB

    y$

    a

    8

    rNZ'

    8

    N

    Z'

    ZN

    8

    NZN

    8r

    Z'

    E R = 19.43 V 80.68o

    EL = 19.05 V 170.7o

    E C = 137.5 V -9.320o

    I = 77.73 mA -99.32o (actual phase angle = 80.68o)

    Interpreted SPICE results

    Z8?

    ?[?_P44??[3!

    5H4H?4#4O[-?C444O44H

    4[!C-3

    4[!C-

    44P5[#NN?[?PX[4?4N?-

    8[

    -5`[

    [4!4+?41E-4N-[

    -45[+[

    `

    `

    48?34[![5POP5

    [4

    444[

    ??--?4+?[O#4P!?N*?CP?4+!44

    ?5?

    85

    X"

  • Br By3*)#)+)M)#5

    120 V60 Hz

    R L C250 650 mH 1.5 F

    58??*4!??[![-?#-?+-[4

    _?[P4

    [?4P-?`?44

    ?`[8[344C[8!4P[_!_[

    120 V60 Hz

    ZR ZL ZC

    250 0o

    245.04 90o1.7684 k -90o

    [?H4[`4??? 3[

    {(

    XOH?HH[?!

    4 ?s-O[J[444?JP[ s[[4_4[![

    U?4[4

    E

    I

    Volts

    Amps

    OhmsZ

    R L TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    P[3-?JN[[U4N* O![![4J?!

    ?C!*?O[4_4P[

    E

    I

    Volts

    Amps

    OhmsZ

    R L TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    Rule of parallelcircuits:

    Etotal = ER = EL = EC

    `! *

    #"

    hy

    4??4[[![?4?4[4?4N?

    !4

  • "U8]Br58

    $

    "5 ++

    )#*

    E

    I

    Volts

    Amps

    OhmsZ

    R L TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    OhmsLaw

    OhmsLaw

    OhmsLaw

    480m + j0$480 $ 0o

    0 - j489.71m489.71m $ -90o

    0 + j67.858m67.858m % 90o

    I = E

    Z

    I = E

    Z

    I = E

    Z

    ??s-?!4[44?H!*4?![

    -_4

    44?*?? ?N[![

    !

    B

    &J

    &

    ?4?!X?N_NN?!`[O?#4

    hy

    44'N???[43?JP[?s44!__?!(

    P[?U?4[4?

    y

    ?J?C

    ???4 ?

    4?[44!4H? COP

    ????

    N

    @

    [ ? 4-*? X?8!*;`C[44?

    )**?UN4!-#4 [-

    ?J?4?3!14N

    O[?J[!?N?[*4N

    ??N

    ![4[!C#*O

    `

    *??`? ?!!?4N

    N4? *

    +"#

    4?4[?!4?E?[4N

    {

    h?

    E

    I

    Volts

    Amps

    OhmsZ

    R

    L

    TotalC

    250 + j0250 0o

    0 + j245.04 254.04 90o

    0 - j1.7684k1.7684k -90o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    120 + j0120 0o

    480m + j0,480 0o

    0 - j489.71m489.71m -90o

    0 + j67.858m67.858m - 90o

    480m - j421.85m$639.03m % -41.311o

    141.05 + j123.96187.79 41.311o

    [?43U-? ??XP[+??83-4!!"4

    `? [

    ![_PC

    Zp?

    ?4P_44

  • Br By3*)#)+)M)#5

    battery symbols are "dummy"voltage sources for SPICE touse as current measurementpoints.. All are set to 0 volts.

    2

    4/

    56

    1

    2

    3

    0 0 0 0

    2 2

    120 V60 Hz

    R L0 C250 650 mH 1.5 F

    V ic V

    il V

    ic

    V iR bogus

    13254

    NN

    2628794:29;79=?=5@?132A=9BC@

    7ED

    7F=5B?132G@

    794HBHIH132J@

    7

    B

    132J@

    4LK3M

    e

    ;

    FN

    =9OCP:=9B

    7L2JBHQH132J@

    4>=RIH@?B

    N

    @

    =

    N

    @?Q

    N

    @ES

    23=RQH@T=VU

    N

    ;

    UW132

    7XDY=RQC@?QC@

    U

    4:7ED8

  • gfU`h]BLiRh5`f

    jflk

    Gfgk5nm++lflk

    oh)3flk*

    I total = 639.0 mA -41.31o

    I R = 480 mA 0o

    IL = 489.7 mA -90o

    IC = 67.86 mA 90o

    Interpreted SPICE results

    p

    5]JOC??C?)??4rq8s

    p?

    (5JtJ?4[ou-[[

    v

    v

    C!?4 !!!? ! 4N? [-[?

    v

    v

    ?-?3[H?O8?! ??4Ns[?? ? C!?![#XP!Rq8s

    p?

    41?4!Ew_41?5?[N4

    4[-[?*

    C!5-!gu4?4N4?)w1O*?8[54*[5?[N-4-

    q8s

    p?

    [?4N+5Xx

    ?

    ?4N+?5[N45

    ?48[O!P44?

    y)z {|}e~}>:gG?

    ?] ?44?4[![

    4[-![OC44N?

    `

    ![-[_-+???-5?_-?- ![[?O5`?

    4A

    -5?N4![-?U??4?4NPC!4N

    *?_?4- [4![PP4[

    120 V60 Hz

    C 1

    4.7 F L 650 mH

    R 470 C 2 1.5 F

    !!-? ??4u\w+_[44N!

    - N4O

    4`?!

    JX ?!-4

    uwU[[8!+4[?4O4-8!4uw?-!4ulw1?

    ?P[u\w

  • Li8iJ`h}m\flh}fgV`hrj3fgk5

    Reactances and Resistances:

    XC1 = 2pifC11

    XC1 = (2)(pi)(60 Hz)(4.7 F)1

    XC1 = 564.38

    XL = 2pifL

    XL = (2)(pi)(60 Hz)(650 mH)

    XL = 245.04

    XC2 =1

    2pifC2

    XC2 = (2)(pi)(60 Hz)(1.5 F)1

    XC2 = 1.7684 k

    R = 470

    ZC1 = 0 - j564.38 or 564.38 -90o

    Z L = 0 + j245.04 or 245.04 90o

    Z C2 = 0 - j1.7684k or 1.7684 k -90o

    ZR = 470 + j0 or 470 0o

    g`-4_?`[?_[!

    E

    I

    Volts

    Amps

    OhmsZ

    TotalC 1 L C 2 R

    470 + j0470 0o

    120 + j0120 0o

    0 - j564.38564.38 -90o

    0 + j245.04245.04 90o

    0 - j1.7684k1.7684k -90o

    4?4[ !4

    4

    :

    4[!CN-P?*C?4*?5?

    -?4#

    !4 5?"

    #

    ?454[?4s

    ?4_[P4?

    4?543P[J[4P[?34

    5???_?44[?[4X[PNNCP[

    ?`[`

    +

    ???!

    p

    O++!5 [?-?N[P[4???OC[[

    ?C`??!s-???-N?55[[5?4NO?!?P

    P_[!?4+-[`--

    p

    P[*4 414?

    !4?[NC!?-?`4N5?

  • flU`hTLiRh5`f

    jflk

    Gfgk5nm++lflk

    ohrje3flk*

    E

    I

    Volts

    Amps

    OhmsZ

    L -- C 2 R // (L

    -- C2) C

    1 -- [R // (L -- C2)]Total

    ??u4[?:w5P?N[ [? ?4`

    [?

    v

    4[?4

    v

    ?*4[5s[4

    _[4_

    4*#?`??X`?N[?43?_?P

    E

    I

    Volts

    Amps

    OhmsZ

    L -- C2 R // (L -- C2) C

    1 -- [R // (L -- C2)]Total

    0 - j1.5233k1.5233k -90o

    429.15 - j132.41449.11 -17.147o

    429.15 - j696.79818.34 -58.371o

    120 + j0120 0o

    Rule of seriescircuits:

    Rule of parallelcircuits:

    Rule of seriescircuits:

    ZL--C2 = ZL + ZC2

    ZR//(L--C2) =

    ZR ZL--C211

    +

    1

    Ztotal = ZC1 + ZR//(L--C2)

    qCX]`G]`(X]3o)l]L']t3`t

    v]

    )

    v

    #lX'']'o'3]

    ']'#3'W']t

    3tX3]3)+'o]e]33o](X']t+t(('+]3

    A'3r#CA'o()t:X]3uxXx3

    ]! d

    x

    L

    E)wg3(o(]']]t']]|uWE|])

    w\X]g gV9u

    p(

    \w+]((]t|'

    v

    ]']

    v

    ]('(]j]'

    (]']>'(XLX

  • L8J8dgV `rj

    E

    I

    Volts

    Amps

    OhmsZ

    L -- C 2 R // (L

    -- C2) C

    1 -- [R // (L -- C2)]Total

    0 - j1.5233k1.5233k -90o

    429.15 - j132.41449.11 -17.147o

    429.15 - j696.79818.34 -58.371o

    120 + j0120 0o

    76.899m + j124.86m146.64m 58.371o

    OhmsLaw

    I = E

    Z

    #>'VjtLV#`Wg])WXtX:'+LXW(]V>'(X(`]CgjL'>]V]jL ]tj(]j

    +)R(3't(3(|()#])]|]'!()#'(XL

    p

    (W:'

    3 '|j)tX

    3(]|

    u

    wWj'}(3r'ou (]']w#3('LXC(t3l'(]':o:X33o:(X

    (3d()t:X]3E ('XX

    LjX()3Wr'3'(]']`''LtL(:'

    t3oj

    E

    I

    Volts

    Amps

    OhmsZ

    C 1 L C 2 R

    470 + j0!470 0o

    0 - j564.38"564.38 # -90o

    0 + j245.04"245.04 90o

    0 - j1.7684k"1.7684k -90o

    76.899m + j124.86m$146.64m 58.371o

    Rule of seriescircuits:

    I% total = IC1 = IR//(L--C2)

    E

    I

    Volts

    Amps

    OhmsZ

    L -- C2 R // (L -- C2) C

    1 -- [R // (L -- C2)]Total

    0 - j1.5233k"1.5233k -90o

    429.15 - j132.41449.11 -17.147o

    429.15 - j696.79818.34 -58.371o

    120 + j0120 0o

    76.899m + j124.86m&146.64m 58.371o

    76.899m + j124.86m$146.64m 58.371o

    Rule of seriescircuits:

    I%

    total = IC1 = IR//(L--C2)

    XeXX']t']]8']3>'''

    3g'`('tE

    3)3'tr8

    ]

    u

    w

    3(t3g3 } 9Tu

    gp

    \w]((]t(LW']r]3X

  • )(

    lTL*l++,-./10`-324rje5

    E

    I

    Volts

    Amps

    OhmsZ

    C 1 L C

    2 R

    470 + j0!470 0o

    0 - j564.38"564.38 # -90o

    0 + j245.04"245.04 90o

    0 - j1.7684k"1.7684k -90o

    76.899m + j124.86m&146.64m 58.371o

    OhmsLaw

    70.467 - j43.400$82.760 6 -31.629o

    E = IZ7

    E

    I

    Volts8

    Amps9

    OhmsZ

    L -- C 2 R // (L

    -- C2) C

    1 -- [R // (L -- C2)]Total

    0 - j1.5233k"1.5233k -90o

    429.15 - j132.41449.11 ! -17.147o

    429.15 - j696.79818.34 -58.371o

    120 + j0120 0o

    76.899m + j124.86m&146.64m 58.371o

    76.899m + j124.86m&146.64m 58.371o

    OhmsLaw

    49.533 + j43.40065.857 : 41.225o

    E = IZ

    L)8]3t

    )3X)>#]'`':]L##]3:g((+(X]`'g]t']]l8']j

    ](L(

    ]3(l('X

    3]']tC3(]o\

    ]

    u

    wt3X(r'(]';l])8

    (=

    EB total should be equal to EC1 + ER//(L--C2)70.467 - j43.400 VC

    49.533 + j43.400 V+120 + j0 V Indeed, it is!

    3]W}d']'|o'X]8(]V

    p

    o']+'C|W(j+]#(3+r3]XC(3'

    3)]:]((3d#X(']EeW]jj(L(

    )X)8e]g(3r(9gjX'(]+] #]'

    j|3XX'(]('3W()'t|C|8L'C('t(o(rj3VW(X!] '']

    + '39Ct(]]Eo]]]t']]+8']3](L(

    3o'l3(]

    u

    wC#lLW

    ]3'(]Ee'`3XW(]>+3](X+]:]XL'Wj'l'(]o])l]+('LD

    p

    |'+X](]L(3

    'X(W(gugw`]3(3g3(]V(gt33']3'rWE]jj]t(gu

    wWj'+(r'

    ])]:XX3(+(3(lW'`>o:X33X`](+3]']t3+'X)o](XX

    X(]']]#lX()jdX

    (3]]t']]g3]3(FEd3WlWtX|]+L(o(]3#]}A]3

  • L8J8dgV `rj

    E

    I

    Volts

    Amps9

    OhmsZ

    C 1 L C

    2 R

    470 + j0470 ! 0o

    0 - j564.38"564.38 # -90o

    0 + j245.04"245.04 G 90o

    0 - j1.7684k"1.7684k -90o

    76.899m + j124.86m&146.64m 58.371o

    70.467 - j43.400&82.760 -31.629o

    49.533 + j43.400H65.857 : 41.225o

    Rule of parallelcircuits:

    E7 R//(L--C2) = ER = EL--C2

    E

    I

    Volts8

    Amps9

    OhmsZ

    L -- C 2 R // (L

    -- C2) C

    1 -- [R // (L -- C2)]Total

    0 - j1.5233k"1.5233k -90o

    429.15 - j132.41449.11 ! -17.147o

    429.15 - j696.79818.34 -58.371o

    120 + j0120 0o

    76.899m + j124.86m&146.64m 58.371o

    76.899m + j124.86m&146.64m 58.371o

    49.533 + j43.4006