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Question

ntA rectangular conductor PQRS in which the conductor PQ is free to move in a uniform magnetic feild B perpendicular to the plane of the paper. The feild extends from x=0 to x=b and is zero for x>b. Assume that only the arm PQ possesses resistance. When the arm is pulled outward from x=0 to x=2b and is then backward to x=0 with constant speed v, obtain the expression for the flux and the induced emf. Sketch the variations of the quantities with distance 0 less than equal to x and x is less than equals tos 2b.n

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