Physics-
General
Easy
Question
A copper rod of length l is rotated about one end perpendicular to the magnetic field B with constant angular velocity 
. The induced e.m.f. between the two ends is
The correct answer is:
If in time t. the rod turns by an angle q, the area generated by the rotation of rod will be 
So the flux linked with the area generated by the rotation of rod
And so 
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Physics-General
