A series circuit has resonant frequency

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

Problem

A series

LCR

circuit has resonant frequency

f_0

. If the capacitance is doubled while

L

and

R

remain unchanged, the new resonant frequency becomes (a)

\dfrac{f_0}{2}

(b)

\sqrt{2}\,f_0

(c)

\dfrac{f_0}{\sqrt{2}}

(d)

\dfrac{f_0}{2\sqrt{2}}