1.

A square metallic wire loop of side 0.1 m and resistance of 1W is moved with a constant velocity in a magnetic field of 2 wb/m2 as shown in figure. The magnetic field is perpendicular to the plane of the loop, loop is connected to a network of resistances. What should be the velocity of loop so as to have a steady current of 1mA in loop

A.            1 cm/sec                              
B.            2 cm/sec
C.            3 cm/sec                              
D.            4 cm/sec
Answer» C.            3 cm/sec                              


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