Magnetic Energy MCQs

Practice Magnetic Energy MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Electromagnetic TheoryMagnetic Energy

The energy stored in a linear inductor carrying current I is?

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Correct Answer: A. (1/2)LI²

Explanation: Magnetic energy stored in a linear inductor is W=(1/2)LI².

Reference: Standard electromagnetic theory: magnetic energy

Question 2

Electromagnetic TheoryMagnetic Energy

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Correct Answer: C. 8 J

Explanation: W=(1/2)LI²=0.5×4×2²=8 J.

Reference: Standard electromagnetic theory: magnetic energy