A rectangular conductor LMNO is placed in a uniform magnetic 2 field of 0.5 T. The field is directed perpendicular to the plane of the conductor . When the arm MN of length of 20 cm is moved towards left with a velocity of 10 ms- , calculate the emf induced in the arm. Given the resistance of the arm to be 5 n (assuming that other arms are of negligible resistance) find the value of the current in the arm.
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