Question: In the circuit for Problem 56, after the switch has been closed for a long time, it is opened. How long does it take for

In the circuit for Problem 56, after the switch has been closed for a long time, it is opened. How long does it take for the energy stored in the inductor to decrease to 0.10 times its initial value?
In problem

5.0 6.0 V 7.0 mH 10.0

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