: .
: .. : : : 140211
2010.
41. (RC RL) uR (t) R ( RC RL). : RC- ( ) 3 ( - ic(t) = uR(t)/R)
= 1, 5, 20 R = 0.5 k 1 ( - iL(t) = uR{t)IR). RL- ( ) 3 ( - iL(t) =
uR(t)/R) R - 25, 50, 100 L = 0,5 1 ( - iL{t) = uR(t)/R).
-
-
-
2. (RLC) uR(t) R 1 . T1 ( R, L). ( R L), , . ( uR(t) R) . : R L
- ( ) - 1 ( iC(t)= uR(t)/R) ( T1 ). - 1 ( - ic(t)= uR(t)/R) - (
tm).
2
RC. 1.1. (), R=0,5 OM, C=1;
1.2. ()
1.3. R=0,5 OM, C=1 : VA1/ .. 30,81/2,7183=14,31 . VA2=14,31 21
=509. 1.4. : = R C = 500110-6 = 510-6 =500 . 3
2.1. (), R=0,5 OM, C=5;
2.2 ();
2.3. R=0,5 OM, C=5 : VA1/ .. 449,71/2,7183=18,33 . VA2=18,33 21
=2,49 ms. 2.4. : = R C = 500510-6 = 250010-6 =2,5 ms . 4
3.1. (), R=0,5 OM, C=20
3.2 ();
3.3. R=0,5 OM, C=20 : VA1/ .. 49.2898/2,7183=18,18 . VA2=18,18
21 =10,055 ms. 3.4. : = R C = 5002010-6 = 100010-6 =10ms. . 5
4.1. (), R=0,5 OM, C=20
4.2. ();
4.3. R=0,5 OM, C=20 : VA1/ .. -15,6711/2,7183=-5,78 . VA2=-5,78
21 =30,10 ms. 6
4.4. : = R C = 15002010-6 = 0,03=30 ms. .
7
RL. 1.1. (), R1=25 O, L=0.5
1.2 ();
1.3. R=25 O, L =0.5 : 50/2,71=18,45 VA2=50-18.45=31.54 VA2=31.54
21 =20,49 ms. 1.4. : = L/R=0.5/25 = 0.02 =20ms. .. = 20 ms . 8
2.1. (), R1=50 O, L=0.5 ;
2.2.
();
2.3. R=50 OM, L =0.5 : 50/2,71=18,45 VA2=50-18.45=31.54
VA2=31.54 21 =10,67 ms. 1.4. : = L/R=0.5/100 = 0.01 =10ms. .. = 10
ms . 9
3.1. (), R1=100 O, L=0.5 ;
3.2.
();
3.3. R=100 O, L =0.5 : 50/2,71=18,45 VA2=50-18.45=31.54
VA2=31,54 2-1 =5,29 ms. 3.4. : = L/R=0.5/100 = 0.005 s. .. = 5 ms .
10
4.1. (), R1=25 O, L=0.5
4.2. ();
R=25 O, L =0.5 : 50/2,71=18,45 50-18.45=31.54 VA2=50-31,54=18,46
VA2=18,46 21 =10,03 ms. 4.4. : = L/R+ R =0.5/25+25 = 0.01 s. .. =
10 ms 11
. 1.1. (), R=1 OM, C=90 ; L=2,5 :
1.2. () 1, 2-1= 3 ms.
12
1.4. : 2+2+02=0 2=R/L 02=1/LC =R/2L 1000 1 = 200 2 2,5 1 4 10 7
= = 9 2.5 90 10 9
=
0
2
1, 2 = 2 0 2 1, 2 = 200 4 10 4 4 10 7 = 200 j 2000 9
, . =200, 1=2000. = A 1 ln 1 T1 A2
2 6,28 = = 0,003s = 3ms 1 2000 A 1 1 5.76 = ln 1 = ln = 200,12
T1 A2 0,003 3.16 T1 = : T1 =2,99 ms , T1=3 ms . =200,12 , =200 .
:
=.. >T1.
1 1 = = 0,005 200
2.1. , , , = 0 .. , . 2.2. . 13
(R/2L)2= 1/LC
C=(4L /R2)
C=(10/106)=10-6 .= 10 .
2.3. .
2.4. : 2+2+02=0 2=R/L =R/2L
=
1000 1 = 200 2 2,5
=
1 1 = = 0,005 200
02=1/LC
0 2 =
1 10 6 = 2,5 10 6 2,5 10 6 = 200 200 2,5 14
1, 2 = 2 0 2 1, 2 = 200 4 10 4
.. , = 0 .
15
