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(C) The energy stored in the capacitor is $U_E = \frac{1}{2}CV^2$. When the capacitor is connected to the inductor,the energy oscillates between the e

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$V \sqrt{\frac{C}{L}}$

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(C) The energy stored in the capacitor is $U_E = \frac{1}{2}CV^2$. When the capacitor is connected to the inductor,the energy oscillates between the electric field of the capacitor and the magnetic field of the inductor. At the moment of maximum current $i_0$,all the energy is stored in the inductor as magnetic energy $U_B = \frac{1}{2}Li_0^2$. By the law of conservation of energy: $\frac{1}{2}CV^2 = \frac{1}{2}Li_0^2$. Solving for $i_0$: $i_0^2 = \frac{CV^2}{L} \implies i_0 = V \sqrt{\frac{C}{L}}$.

$A$ capacitor of capacity $C$ is charged to a potential $V$. It is connected in parallel to an inductor of inductance $L$. The maximum current that will flow in the circuit is

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