1.

In the circuit shown in Fig. 1, L = 5 H and C = 20 F. C is initially charged to 200 V. After the switch S is closed at t = 0, the maximum value of current and the time at which it reaches this value are, respectively

A. 400 A, 15 707 s
B. 50 A, 30 s
C. 100 A, 62 828 s
D. 400 A, 31 414 s
Answer» B. 50 A, 30 s


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