Physics-Motional EMF
NEET Physics Motional EMF MCQ Question
Type: MCQ-diagram based-Medium-Class 12
Consider a rod of length L moving with a velocity v perpendicular to a uniform magnetic field B. Which expression correctly represents the magnitude of the motional emf induced across the ends of the rod?
A
Blv
B
BvL/2
C
2Blv
D
Blv/2
Correct Answer
Option A
Detailed Explanation
The motional emf induced is given by the expression Blv, where B is the magnetic field, l is the length of the rod, and v is the velocity of the rod as per the NCERT context.
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