A bar of length 2m is said to fall freely in a magnetic field of magni – McqOptions

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1.	A bar of length 2m is said to fall freely in a magnetic field of magnitude 50 T. What is the motional emf in the bar when it has fallen 40 meters?
A.	700 V
B.	2100 V
C.	2800 V
D.	1400 V
Answer» D. 1400 V

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