Physics

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}

12.7\,\text{pF}

127\,\text{pF}

0.13\,\text{pF}