In a series RLC circuit

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

Problem

R=40\,\Omega

L=0.15\,\text{H}

and

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

. Find the frequency at which the current lags the source voltage by

60^{\circ}

. (a)

130\,\text{Hz}

(b)

153\,\text{Hz}

(c)

172\,\text{Hz}

(d)

98\,\text{Hz}