A40.0-mh inductor is connected to a north american electrical outlet (δvrms = 120 v, f = 60.0 hz). assuming the energy stored in the inductor is zero at t = 0, determine the energy stored at t = 1 185 s.

Explanation:

It is given that,

Inductance,  

RMS value of voltage,

Frequency, f = 60 Hz

We need to find the energy stored at t = (1 /185) s. It is assumed that energy stored in the inductor is zero at t = 0. So,  

The current flowing through the inductor is given by :

I = 0.091 A

Energy stored in the inductor is,

U = 0.000165 Joules

Hence, this is the required solution.

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