. At a place the value of horizontal component of the earth's magnetic field H

is 3 x 10-3 Weber/m2. A metallic rod AB of length 2 m placed in east-west direction, having the end A towards east, falls vertically downward with a constant velocity of 50 m/s. Which end of the rod becomes positively charged and what is the value of induced potential difference between the two ends




Best Answer

Ans: B

Sol: Induced potential difference between two ends 


By Fleming's right hand rule, end A becomes positively charged.


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