How much energy is stored in the inductor

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Reference no: EM132103581

Question: Consider the circuit above, which is powered by a 9-V battery. Switch S is opened at t = 0 after having been closed for a long time.

(a) How much energy is stored in the inductor at t = 0? mJ

(b) What is the instantaneous rate of change of the inductor's energy at t = 0? W

(d) How long does it take for the current in the inductor to reach 0.050 times its initial value? ms

Reference no: EM132103581

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