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If the P.D. across the inductor (3mH) is...

If the P.D. across the inductor `(3mH)` is the same as that across the condenser `(30 mu F)` in a series R-L-C circuit, then the frequency of the applied e.m.f. is

A

180 Hz

B

500 Hz

C

890 Hz

D

5 kHz

Text Solution

Verified by Experts

The correct Answer is:
B
`f=(1)/(2pisqrt(LC))`
`=(1)/(2xx3.14xxsqrt(3xx10^(-3)xx30xx10^(-6)))`
`=500Hz`
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