An AC source of rms voltage at is applied to a series circuit containing

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

An AC source of rms voltage

220\,\text{V}

50\,\text{Hz}

is applied to a series circuit containing

R = 20\,\Omega

L = 50\,\text{mH}

and

C = 5\,\mu\text{F}

. Calculate the rms current in the circuit.