A conducting ring of copper is held such that the planeof the ring is perpendicu

Question

A conducting ring of copper is held such that the planeof the ring is perpendicular to the vertical direction (the planeof the ring is horizontal). A bar magnet is held above thering with its dipole axis vertical, with the south magnetic pole atthe bottom and the north magnetic pole at the top. Thefollowing sequence of events occurs, all without changing theorientation of the magnet: a) first the magnet is held inplace without moving, b) then the magnet is moved down toward thering, c) next the magnet is stopped and held in place, d) finally,the magnet is moved back to its original place. For eachsegment of the motion (a-d) describe the current in thering. Specify whether it is zero, counter-clockwise as viewedlooking down from above, or clockwise as viewed looking down fromabove.

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