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find out the time required by the current to reach an initial value in an inductive discharge circuit.

How long will it take for the current to reach 36.7 percent of its initial value in an inductive discharge circuit if R equals 1000ohms and L equals 4 henrys?

A) 40 sec
B) 10 sec
C) 0.004 sec
D) 0.001 sec

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