A coil of inductance is to be paired with a variable capacitor so that the LC circuit…

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

Problem

A coil of inductance

L = 0.2\,\mu\text{H}

is to be paired with a variable capacitor so that the LC circuit can be tuned exactly to an FM broadcast at

100\,\text{MHz}

. Which capacitor setting will achieve this? (a)

1.3\,\text{pF}

(b)

12.7\,\text{pF}

(c)

127\,\text{pF}

(d)

0.13\,\text{pF}