A series circuit has

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

Problem

R = 50\,\Omega

L = 0.20\,\text{H}

and

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

. It is connected to an a.c. source of

100\,\text{V}

(rms). If

P_1

is the average power consumed at

50\,\text{Hz}

and

P_2

100\,\text{Hz}

, the ratio

\dfrac{P_2}{P_1}

is closest to (a)

1.0

(b)

4.2

(c)

0.24

(d)

0.48