# A fully charged capacitor C with intial charge

Question:

A fully charged capacitor $\mathrm{C}$ with intial charge $\mathrm{q}_{0}$ is connected to a coil of self inductance $\mathrm{L}$ at $\mathrm{t}=0$. The time at which the energy is stored equally between the electric and the magnetic fields is :-

1.  $2 \pi \sqrt{\mathrm{LC}}$

2. $\sqrt{\mathrm{LC}}$

3.  $\pi \sqrt{\mathrm{LC}}$

4.  $\frac{\pi}{4} \sqrt{\mathrm{LC}}$

Correct Option: , 4

Solution: