Electromagnetic Induction and Alternating Currents: JEE Main 2026 Physics question

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 $t$ s 25% of the initial energy in the capacitor is transferred to the inductor. The value of $t$ is ______ s.