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The inductor in given Figure carries an initial current of iL(0) = 20 mA.

At t = 0, the switch opens, and thereafter the voltage across the inductor is vL(t) = -6 e-1000t mV. Derive expressions for iL(t) and pL(t) for t > 0. Is the inductor absorbing or delivering power?

2426_Figure 6.jpg

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