?The switch in the circuit of Fig. 8.55 has been closed a ridiculously long time before
Chapter 8, Problem 9(choose chapter or problem)
The switch in the circuit of Fig. 8.55 has been closed a ridiculously long time before suddenly being thrown open at t = 0. (a) Obtain expressions for \(i_L\) and v in the circuit of Fig. 8.55 which are valid for all \(t\ \geq\ 0\). (b) Calculate \(i_L(t)\) and v(t) at the instant just prior to the switch opening, at the instant just after the switch opening, and at \(t = 470\ \mu s\).
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