A bar magnet is held stationary while a circular loop of wire is moved toward the magnet at constant velocity at positionAas in the figure below. The loop passes over the magnet at positionBand moves away from the magnet at positionC. (For the following questions, state the directions as if you were to the right of the magnet, watching the loop of wire move away from you.) (a) Find the direction of the induced current in the loop using Lenz's law at positionA. (b) Find the direction of the induced current in the loop using Lenz's law at positionC. c) What is the induced current in the loop at positionB? (PositionBhas the center of the loop exactly at the midpoint of the bar magnet.)
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