For a series circuit with

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

Problem

R = 20\,\Omega

L = 150\,\text{mH}

and

C = 5.0\,\mu\text{F}

, find the two possible angular frequencies at which the magnitude of the phase angle between current and voltage is

60^{\circ}

. In each case state whether the current leads or lags the voltage.