Physics - EMI/AC Question with Solution | TestHub

In the circuit, the key $(\mathrm{K})$ is closed at $\mathrm{t}=0$. Find the current in ampere through the key (K) at the instant $t=10^{-3}\ln 2\sec$. (Assume energy stored in inductor and capacitor before $\mathrm{t}=0$ is zero)