A series circuit containing a resistance of

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

Problem

50\,\Omega

, an inductance of

0.20\,\text{H}

and a capacitance of

80\,\mu\text{F}

is connected to a

200\,\text{V}

(rms) a.c. supply whose frequency is adjusted so that the circuit is in resonance. Calculate the rms current in the circuit.