7.106 The switch in the circuit in Fig P7.106 has been closed for a long time and is opened at t = 0. Find i(t) for t > 0.
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Since the switch has been closed for a long time, the circuit has reached a steady state. In this state, the inductor behaves like a short circuit. Therefore, the initial current i(0) is given by Ohm's law: i(0) = U9 / (1.5 + 12) = 0.6 A Show more…
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