Q 12-07-099JEE MainJEE Main 2022 (25 Jul, Shift 1)Easy
To increase the resonant frequency in a series LCR circuit,
Answer: (C) Another capacitor should be added in series with the first capacitor
$f_0 = \dfrac{1}{2\pi\sqrt{LC}}$ depends only on $L$ and $C$. A capacitor added in series lowers the net capacitance, which raises $f_0$.
Solution by Sreeraj P, M.Sc Physics