First slide

Phasors and Phasor Diagrams

Question

The current in series LCR circuit will be maximum when $ω$ is

Easy

A

As large as Possible
B

Equal to natural frequency of LCR circuit
C

$\sqrt{LC}$
D

$\sqrt{1 / LC}$

Solution

At resonant frequency, i.e., $f = \frac{1}{2 π \sqrt{LC}} or ω = \frac{1}{\sqrt{LC}},$ current in series LCR circuit is maximum.

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