NEET 2023 Physics Inductance MCQ Question with Solution

The magnetic energy stored in an inductor of inductance 4 μH carrying a current of 2 A is:

A

4 mJ

B

8 mJ

C

8 μJ

D

4 μJ

Correct Answer

Option C

Detailed Explanation

The energy stored in an inductor is given by the formula $E = \frac{1}{2} L I^2$ . Substituting $L = 4 \times 10^{-6} \, H$ and $I = 2 \, A$ , we get $E = \frac{1}{2} \times 4 \times 10^{-6} \times 4 = 8 \times 10^{-6} \, J = 8 \, \mu J$ .

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NEET 2023 Physics Inductance MCQ Question

Correct Answer

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