A series circuit has

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

Problem

R=20\,\Omega

L=0.10\,\text{H}

and

C=50\,\mu\text{F}

. It is supplied with the same rms voltage at two different frequencies,

40\,\text{Hz}

and

60\,\text{Hz}

. The ratio

I_{60}/I_{40}

of the rms currents at these frequencies is closest to (a)

1.5

(b)

0.43

(c)

2.3

(d)

2.1