A series circuit has

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

Problem

A series

RLC

circuit has

R = 50\,\Omega

L = 0.10\,\text{H}

and

C = 100\,\mu\text{F}

. The phase difference between current and applied voltage must be

-30^\circ

(current leads). Which of the following supply frequencies will achieve this condition most nearly? (a)

44\,\text{Hz}

(b)

50\,\text{Hz}

(c)

32\,\text{Hz}

(d)

78\,\text{Hz}