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A series LCR circuit consists of an indu...

A series LCR circuit consists of an inductor L a capacitor C and a resister R connected across a source of `emf epsilon = epsilon_(0) sin omegat.` When `omegaL = (1)/(omegaC)` the current in the circuit is `l_(0)` and if angular frequency of the source is changed to `omega,` the current in the circuit becoms `(l_(0)/(2)` then the value of `|omega'L-(1)/(omega'C)|` is

A

R

B

`sqrt(3)R`

C

sqrt(15)R`

D

Zero

Text Solution

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The correct Answer is:
B
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