PhysicsJEE Main 5 Apr 2026, Shift 2·Q23·Numerical·Easy–moderate

Alternating Current · LCR and power

A series LCR circuit with

R = 20\ \Omega

,

L = 1.6

H and

C = 40\ \mu\mathrm{F}

is connected to a variable frequency a.c. source. The inductive reactance at resonant frequency is

\Omega

.

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