First slide

Phasors and Phasor Diagrams

Question

The resonant frequency of a circuit is f. If the capacitance is made 4 times the initial values, then the resonant frequency will become

Easy

A

f/2
B

2f
C

f
D

f/4

Solution

$f = \frac{1}{2 π \sqrt{LC}} \Rightarrow f \propto \frac{1}{\sqrt{C}}$

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