Question

1. A rod of length / is rotating about an axis at distance I from one end as shown in figure. If angular speed of
rod is w and magnetic field is B, out of the page, find emf developed between end points of rod.
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Answer 1

Answer:

the emf at the end B =4/2Bwl^2

emf at end A =1/2Bwl^2

therefore emf between points A and B=3/2Bwl^2

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