Electromagnetic Induction and Alternating Currents: JEE Main 2026 Physics question

In the given circuit below inductance values of $L_1$, $L_2$ and $L_3$ are same. The magnetic energy stored in the entire circuit is ($U_t$) and that stored in the $L_2$ inductor is ($U_l$). $U_t / U_l$ is _______. (Ignore the mutual inductance if any)