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1. |
At a place the value of horizontal component of the earth's magnetic field H is \[3\times {{10}^{-5}}\,Weber/{{m}^{2}}\]. 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 [MP PET 1996] |
A. | End A, \[3\times {{10}^{-3}}\,mV\] |
B. | End A, 3 mV |
C. | \[9\times {{10}^{-9}}\] |
D. | End B, 3 mV |
Answer» C. \[9\times {{10}^{-9}}\] | |