Motional EMF MCQs

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

Question 1

Electromagnetic TheoryMotional EMF

A 0.5 m conductor moves at 10 m/s perpendicular to a 0.2 T magnetic field. Its motional emf is?

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Correct Answer: C. 1 V

Explanation: e=Blv=0.2×0.5×10=1 V.

Reference: Standard electromagnetic theory: motional emf

Question 2

Electromagnetic TheoryMotional EMF

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Correct Answer: A. Blv

Explanation: For mutually perpendicular B, conductor length and velocity, the motional emf magnitude is e=Blv.

Reference: Standard electromagnetic theory: motional emf