A charged 10 microfarad capacitor is connected to an 81 mH induct… - Vidyadip

Question

A charged 10 microfarad capacitor is connected to an 81 mH inductor. What is the angular frequency of free oscillations of the circuit?

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Answer

Angular frequency, $\omega_r=$
$
\frac{1}{\sqrt{ LC }}=\frac{1}{\sqrt{81 \times 10^{-3} \times 10 \times 10^{-6}}}=1.1 \times 10^3
$

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