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An alternating e.m.f. of 200 V and 50 cy...

An alternating e.m.f. of 200 V and 50 cycles is connected to a circuit of resistance `3.142 Omega)` and inductance 0.01 H. The lag in time between the e.m.f. and the current is

A

1.5 ms

B

2.5 ms

C

3.5 ms

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`tan theta =(X_L)/(R)=1 :. Theta=45^(@)`
`t=theta xx("time period")/(360)`.
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