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77 R1 R2 R3 R4
4 3 8 1
R1 R2 R3 C2 C1 C2 L1 L2
2 1 2 -
U C2 I L1 I L2
U C1
U1(t) U2(t) L1 U3(t)
1 4 3 -
C1 R4
U1(t) U2(t) U3(t)
-t
6(1-e ) e -2t sin(5πt)
78 R1 R2 R3 R4
R1 C1 L1
1 2 2 8
C1 C2 L1 L2
R2 U3(t)
R3 4 1 2 -
U1(t) C1
U C1 U C2 I L1 I L2
U2(t) R4 4 2 3 -
U1(t) U2(t) U3(t)
-4t -2t
(1-e ) 1(t)e sin(2πt)
79 R1 C1 R1 R2 R3 R4
5 2 6 1
R3
C1 C2 L1 L2
2 4 2 -
U1(t) U2(t) R4
U C1 U C2 I L1 I L2
U3(t) 1 6 3 -
R2
L1 C2
U1(t) U2(t) U3(t)
-4t
2(1-e ) e -5t sin(5πt)
80 R1 R2 R3 R4
R1 R3 R4
4 8 8 3
C1 C2 L1 L2
L1 L2
2 - 2 1
U1(t) C1 U3(t) U C1 U C2 I L1 I L2
R2 U2(t) 1 - 5 4
U1(t) U2(t) U3(t)
-t -5t
(4-e ) e sin(4πt)
30
