A bar of magnet falls with uniform speed through a coil of wire with its plane horizontal. The long axis of the magnet is normal to the plane of the coil. As the N pole of the magnet approaches the coil, in what sense is the emf induced? What is the direction of the force which acts upon the wire? Describe the way in which the induced emf in the coil varies with time, as the magnet drops through the coil

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