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Calculate the current in an inductor if the energy stored is 160J and the inductance is 20H.

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Calculate the current in an inductor if the energy stored is 160J and the inductance is 20H.

(a) 1A

(b) 2A

(c) 3A

(d) 4A

I have been asked this question during a job interview.

I need to ask this question from Energy Stored in an Inductor topic in division Inductance in a DC Circuit of Basic Electrical Engineering

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Correct answer is (d) 4A

Best explanation: The expression for energy in an inductor is:

E = LI^2/2

Substituting the values from the given question, we get I=4A.

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