Question

Step 1

We first find the initial and final values. Let us say that the voltage across the capacitor is v(t).

So, at time t = 0^{-}, the circuit is at steady state :

Step 2

When t = 0^{+}, the switch changed its position and the dc voltage source is connected to the circuit. By the continuity of capacitor voltage and inductor current, we know that:

Step 3

Transforming the circuit into L...

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