A capacitor $C$ is first charged fully with potential difference of $V_{0}$ and disconnected from the battery. The charged capacitor is connected across an inductor having inductance $L$. In time $t$, $25 \%$ of the initial energy in the capacitor is transferred to the inductor. The value of $t$ is
- A$\frac{\pi \sqrt{LC}}{3}$
- B$\frac{\pi \sqrt{LC}}{6}$
- C$\frac{\pi \sqrt{LC}}{2}$
- D$\pi \sqrt{\frac{LC}{2}}$
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