A series tuner resonates at using a coil of and a variable capacitor

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

Problem

A series

LCR

tuner resonates at

1.0\,\text{MHz}

using a coil of

200\,\mu\text{H}

and a variable capacitor. For adequate station selectivity the quality factor must be at least

100

. What is the maximum total resistance

R

that the circuit can have? (a)

2.0\,\Omega

(b)

12.6\,\Omega

(c)

25.1\,\Omega

(d)

6.3\,\Omega