Q. The resonant frequency of a circuit is $f$. If the capacitance is made 4 times the initial values, then the resonant frequency will become
A) $f/2$
B) $2f$
C) $f$
D) $f/4$
Explanation
(a) $f = \frac{1}{2\pi\sqrt{LC}} \Rightarrow f \propto \frac{1}{\sqrt{C}}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.