A series circuit has

PHYSICS · Subjective · CBSE · Physics · Alternating Current · Alternating Current

Problem

R = 40\,\Omega

L = 200\,\text{mH}

and

C = 10\,\mu\text{F}

. Calculate the angular frequency at which the current lags the applied voltage by

45^{\circ}

. (Give the answer correct to two significant figures.)