A tuning circuit contains a coil of inductance and a variable capacitor that can be…

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

Problem

A tuning circuit contains a coil of inductance

L = 50\,\mu\text{H}

and a variable capacitor that can be adjusted from

50\,\text{pF}

450\,\text{pF}

. Which frequency range can the circuit cover? (a) approximately

3.2\,\text{MHz}

10.6\,\text{MHz}

(b) approximately

1.1\,\text{MHz}

3.2\,\text{MHz}

0.34\,\text{MHz}

3.2\,\text{MHz}

(d) approximately

0.15\,\text{MHz}

0.45\,\text{MHz}