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Question:

Current through inductor?

Current through an inductor is turned on at time t0, as shown in the figure. Vscos(200*pi*t). Calculate the energy delivered to the inductor at t21 ms.

Answer:

At t0, switch closed and a advantage got here throughout the inductor. So it is sort of a Alternating current for a moment. That alternating current makes inductor to behave like in AC circuit. That affects cut down consistently after t+ time on the grounds that of dc voltage. There'll a opposing electromagnetic subject in the inductor due to sudden voltage. To be able to discontinue current to waft by means of the inductor
I'm sorry I confused you; the initial condition is 0. The current is .024 amps at 21 ms, so the energy is 10.94 uJ.
what i think is that you are over thinking it. the switch is open so no current is going to anything!

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