A coil of resistance is connected in series with an inductor of and a capacitor of to…

PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current

Problem

A coil of resistance

R = 50\,\Omega

is connected in series with an inductor of

L = 200\,\text{mH}

and a capacitor of

C = 50\,\mu\text{F}

to an AC source. At which of the following frequencies will the current amplitude in the circuit be maximum? (a)

100\,\text{Hz}

(b)

50\,\text{Hz}

(c)

25\,\text{Hz}

(d)

200\,\text{Hz}