The resonant frequency of a series circuit is when the capacitance is

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

Problem

The resonant frequency of a series

LCR

circuit is

1\,\text{kHz}

when the capacitance is

100\,\text{nF}

. Keeping

L

unchanged, what capacitance is required to reduce the resonant frequency to

500\,\text{Hz}

? (a)

200\,\text{nF}

(b)

25\,\text{nF}

(c)

400\,\text{nF}

(d)

50\,\text{nF}