A current that changes as I = 10 - 24-t, where the current is in milliamperes...

Question

Question

A current that changes as I = 10 - 24-t, where the current is in milliamperes and the time is in seconds, generates a back em

Answer 1

Answer #1

I= 10-24t Emf = -L di 55x10 3 = - - L x(-24) L = 2.29x10-3 H at t= 1.7 sec I = 10-24x1.7 = -30.8 A The energy Stored U= ŹLI 2

Answer 2

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