Mutual Inductance MCQs

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

Question 1

Electromagnetic TheoryMutual Inductance

Mutual inductance describes the magnetic coupling between?

Show AnswerHide Answer Report an error

Correct Answer: A. Two circuits or coils

Explanation: Mutual inductance quantifies how changing current in one circuit induces emf in another magnetically coupled circuit.

Reference: Standard electromagnetic theory: mutual inductance

Question 2

Electromagnetic TheoryMutual Inductance

Show AnswerHide Answer Report an error

Correct Answer: A. M = k sqrt(L1 L2)

Explanation: The coupling coefficient is defined by k=M/sqrt(L1L2), hence M=k sqrt(L1L2).

Reference: Standard electromagnetic theory: mutual inductance

Question 3

Electromagnetic TheoryMutual Inductance

Show AnswerHide Answer Report an error

Correct Answer: C. 3 H

Explanation: M=k sqrt(L1L2)=0.5×sqrt(36)=3 H.

Reference: Standard electromagnetic theory: mutual inductance