Inductance MCQs

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

Question 1

Electromagnetic TheoryInductance

Self-inductance of a coil is defined from flux linkage lambda and current I by?

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Correct Answer: A. L = lambda/I for a linear magnetic system

Explanation: For a linear magnetic system, flux linkage λ=LI, so L=λ/I.

Reference: Standard electromagnetic theory: inductance

Question 2

Electromagnetic TheoryInductance

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Correct Answer: A. Henry

Explanation: Inductance is measured in henries (H).

Reference: Standard electromagnetic theory: inductance

Question 3

Electromagnetic TheoryInductance

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Correct Answer: A. v = L di/dt

Explanation: For a constant linear inductance, the induced terminal voltage is proportional to the rate of change of current: v=L di/dt.

Reference: Standard electromagnetic theory: inductance

Question 4

Electromagnetic TheoryInductance

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Correct Answer: C. 6 V

Explanation: v=L di/dt=2×3=6 V.

Reference: Standard electromagnetic theory: inductance