A rod of length 20 cm is rotating with angular speed of 100 rps in a m – McqOptions

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1.	A rod of length 20 cm is rotating with angular speed of 100 rps in a magnetic field of strength 0.5 T about it?s one end. What is the potential difference between two ends of the rod [Orissa PMT 2004]
A.	2.28 V
B.	4.28 V
C.	6.28 V
D.	2.5 V
Answer» D. 2.5 V

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