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13. 13. 13 2016-2015 Kirchhoff's law " " : ( ) : " " : 1 +2 = 3+4 0=1 +2 - 3-4 = 0 : = 4 + 5 + 2 = 8 + = 3 A " " : V = .R : " " I3 I4 I2 I1 8A 2A 4A I 5A s
14. 14. 14 2016-2015 V = . R : - - - ( ) - -
15. 15. 15 2016-2015 : - - a,b ) c( 1 + 2 = 3 (1) ( ) abdea VB = .R 6 = 2 1 + 5 3 = 2 1 + 5 (1 + 2 ) 6 = 7 1 + 5 2 (2) ( ) cdefc 2 = 3 2 + 5 (3) = 3 2 + 5 (1 + 2 ) 2 = 5 1 + 8 2 (3) ) 2) (( 3) 2(x5) 3(x7 30 = 35 1 + 25 2 14 = 35 1 + 56 2 16 = -31 2 2 = -0.516 A 2 ) ( 3 2 = 5 1 + 8 X ( -0.516 ) 1 = 1.226 A VB1 = 6V 3 5 2 VB2 = 2V I2I1 a I3 b c e d f a,b ) c( 1 + 2 = 3 (1) ( ) abdea VB = .R 6 = 2 1 + 5 3 = 2 1 + 5 (1 + 2 ) 6 = 7 1 + 5 2 (2) ( ) cdefc 2 = 3 2 + 5 (3) = 3 2 + 5 (1 + 2 ) 2 = 5 1 + 8 2 (3) () 2(x5) 3(x7 30 = 35 1 + 25 2 14 = 35 1 + 56 2 16 = -31 2 2 = -0.516 A 2 ) ( 3 2 = 5 1 + 8 X ( -0.516 ) 1 = 1.226 A VB1 = 6V 3 5 2 VB2 = 2V I2I1 a I3 b c e d f
16. 16. 16 2016-2015 ) 1 (3 = 0.71 A ab V = VB - R = 6 1.226 X 2 = 3.55 V : 321 ) 2( 1 + 3 = 2 (1) abcfa VB = .R )2(15+10= (1+9.5 ) 1+0.5 2 (2)50=21 1 + 2 fcdef 3 + 10 = 0.5 2 + ( 0.1 + 1.4 ) 3 (3)26 = 2 + 3 3 ) 1) (2( (4)= 22 2 21 150 = 21 ( 2 - 3 ) + 2 ) 4) (( 3) 3(x7 4 182 = 7 2 + 21 3 VB1 = 15V 1.4 9.5 VB2 = 10V I2 I1a I3 b c e d f VB3 = 3V r1= 1 r3= 0.1 r2 = 0.5 c ) 1 (3 = 0.71 A ab V = VB - R = 6 1.226 X 2 = 3.55 V : 321 ) 2( 1 + 3 = 2 (1) abcfa VB = .R )2(15+10= (1+9.5 ) 1+0.5 2 (2)50=21 1 + 2 fcdef 3 + 10 = 0.5 2 + ( 0.1 + 1.4 ) 3 (3)26 = 2 + 3 3 ) 1) (2( (4)= 22 2 21 150 = 21 ( 2 - 3 ) + 2 ) 4) (( 3) 3(x7 4 182 = 7 2 + 21 3 VB1 = 15V 1.4 9.5 VB2 = 10V I2 I1a I3 b c e d f VB3 = 3V r1= 1 r3= 0.1 r2 = 0.5 3
17. 17. 17 2016-2015 50 = 22 2 21 3 2 = 8 A232 = 29 2 ) 2( 50 = 21 1 + 8 1 = 2 A ) 1 (3 = 6 A : - - - 5 (e) 1 + 2 = 3 (1) ( aecba) 20 30 = 1 x 1 - 2 x 2 (2)-10 = 1 2 2 ( aefdba) 20 15 = 1 x 1 - 3 x 5 5 = 1 + 5 ( 1 + 2 ) 5 = 6 1 + 5 2 (3) 5 I1 d c b a I2 I3 20 v 30 v r= 1 r= 2 e f 15V r = o 50 = 22 2 21 3 2 = 8 A232 = 29 2 ) 2( 50 = 21 1 + 8 1 = 2 A ) 1 (3 = 6 A : - - - 5 (e) 1 + 2 = 3 (1) ( aecba) 20 30 = 1 x 1 - 2 x 2 (2)-10 = 1 2 2 ( aefdba) 20 15 = 1 x 1 - 3 x 5 5 = 1 + 5 ( 1 + 2 ) 5 = 6 1 + 5 2 (3) 5 I1 d c b a I2 I3 20 v 30 v r= 1 r= 2 + + :
18. 18. 18 2016-2015 23 (2)x5(3)x2 -50 = 5 1 10 2 10 = 12 1 + 10 2 -40 = 17 1 1 = -2.35 A 1 20 V (2) 2 = 3.82 A 30 V 33 = 1.46 20 VV1 = 20 + 2.35 X 1 = 22.35 V 30 VV2 = 30 2.82 X 2 = 22.3 V V3 = 15 V VR = 5 X 1.46 = 7.3 V - - 5 r =1 3 6V 12V r =0.1 2 24V 10 10 1 1 1 10 10 6V 12V 23 (2)x5(3)x2 -50 = 5 1 10 2 10 = 12 1 + 10 2 -40 = 17 1 1 = -2.35 A 1 20 V (2) 2 = 3.82 A 30 V 33 = 1.46 20 VV1 = 20 + 2.35 X 1 = 22.35 V 30 VV2 = 30 2.82 X 2 = 22.3 V V3 = 15 V VR = 5 X 1.46 = 7.3 V - - 5 r =1 3 6V 12V r =0.1 2 24V 10 10 1 1 1 10 10 6V 12V 23 (2)x5(3)x2 -50 = 5 1 10 2 10 = 12 1 + 10 2 -40 = 17 1 1 = -2.35 A 1 20 V (2) 2 = 3.82 A 30 V 33 = 1.46 20 VV1 = 20 + 2.35 X 1 = 22.35 V 30 VV2 = 30 2.82 X 2 = 22.3 V V3 = 15 V VR = 5 X 1.46 = 7.3 V - - 5 r =1 3 6V 12V r =0.1 2 24V 10 10 1 1 1 10 10 6V 12V 23 (2)x5(3)x2 -50 = 5 1 10 2 10 = 12 1 + 10 2 -40 = 17 1 1 = -2.35 A 1 20 V (2) 2 = 3.82 A 30 V 33 = 1.46 20 VV1 = 20 + 2.35 X 1 = 22.35 V 30 VV2 = 30 2.82 X 2 = 22.3 V V3 = 15 V VR = 5 X 1.46 = 7.3 V - - 5 r =1 3 6V 12V r =0.1 2 24V 10 10 1 1 1 10 10 6V 12V . 15V
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20. 20. 20 2016-2015 : : . V = . R : - - - ( ) - - V = . R : - - - ( ) - - V = . R : - - - ( ) - - 0
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24. 24. 24 2016-2015 7-: ()VB1VB2 ()(A , B ) 8- 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 1 1 13 V 2 1 7-: ()VB1VB2 ()(A , B ) 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 7-: ()VB1VB2 ()(A , B ) 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 7-: ()VB1VB2 ()(A , B ) 8- 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 1 1 1 7 8 : : e : : = 15v = 5v , 8v 1.18 7-: ()VB1VB2 ()(A , B ) 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 : VB1VB2 ((A , B ) 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 1 1 13 V 2 1 7-: ()VB1VB2 ()(A , B ) 8- 4 10 I1=1.4A VB2 r =1 a 4 I3=0.8A b c def VB1 r =1 1 1 13 V 2 1
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37. 37. 37 2016-2015 . sin
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77. 77. 77 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u Recorder .Record Head Play Head Hard Disk 4A 240V 100% 900V 8V 80% 220V 1100 0.1A .. . Vs Vp = Ip Is Ip = 900 x 4 240 = 15 A 900 240 = Ip Is4
78. 78. 78 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u AC/DC DC AC Capacitor Inductor Resistor 220V 50Hz Rectifier = x100 = x x100 Vs Np Vp Ns 80 = x x100 8 1100 220 Ns Ns = 50 Is Ip = Np Ns Is 0.1 = 1100 50 Is = 2.2 A turns Vs Is Vp Ip
79. 79. 79 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u DC Motor (ABCD) x,y Commutator F2 , F1 F 1 x,y F2 ,
80. 80. 80 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u F2 x F1 y (DCBA) (CD) (AB) Couple Inertia F 2 , F 1 (x,y) (y) F 2 (x) (ABCD) F 1 (AB) (CD) , F 1 (x,y) F 2 F 2 , F 1
81. 81. 81 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 1 A/s 1A/s 1V
82. 82. 82 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 1H 1V.S A = s
83. 83. 83 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u = - M t = - L I t N t t M I t L v l B emf = Blv sin emf = NBA sin A B N B v 2 x = 0 = 90 emf emf = - N t vVoltemf
84. 84. 84 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u Imax Ieff Ieff = 0.707 Imax Is / Ip = Np/ Ns s p V I V I 100S S P P V V N N S P S P = v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u AC/DC DC AC = x100 = x x100 Vs Np Vp Ns 80 = x x100 8 1100 220 Ns Ns = 50 Is Ip = Np Ns Is 0.1 = 1100 50 Is = 2.2 A turns Vs Is Vp Ip =
85. 85. 85 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u
86. 86. 86 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 30
87. 87. 87 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u
88. 88. 88 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 80% 100%
89. 89. 89 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 0.2 m2 80 0.5s 1/4 2V (0.0625 Tesla) 0.7Tesla 0.4m (3.57 m/sc) 600 0.25m2 800 0.3Tesla 6.28V 30 30cm 0.5m/s 0.8 Tesla (0.12V)
90. 90. 90 2016-2015 v O UMG dNJ Y( dA U( qBH W UO WO dNJ WF d b u 80km/hr 4 x 10-4 V (18 x 10-6 Tesla) 10 V (0.25 H) 40A/S 4A 0.1H 0.01 s (40V) 500 100 0.4m x 0.2m 0.1T (41.89 V) 9V 200V 90% 90 0.5A 10 A, 1800 2500 V 20 80A 80% . (100 V, 4A)
91. 91. 91 2016-2015 ( ) 3600 ( ) : 50 HZ : - - - - . - :ammeterHot wire 1-4 )1-4( . ( ) 3600 ( ) : 50 HZ : - - - - . - :ammeterHot wire z
92. 92. 92 2016-2015 : A,B ) S ( . R. : . 2 : - - )( . A B S R
93. 93. 93 2016-2015 ) AC( ( : ( ) . .(1)V = Vmax sin t V Vmax . : = Sin tI = = max sin t ..(2) (1)(2) VI . ( ) ( ) ( : ( ) . k R ( ) ( ) 2-4 )2-4( t 3-4 )3-4(