A bar magnet is falling through a loop of wire with constant velocity. The south pole enters first. As the magnet leaves the wire, the induced current (as viewed from above):

Question

Quizplus · Accepted Answer

As the south pole of the magnet exits the loop, the magnetic flux through the loop decreases. According to Lenz's Law, the induced current will flow in a direction that opposes this change, creating a magnetic field that tries to maintain the original flux. This results in a counterclockwise current when viewed from above.

A Bar Magnet Is Falling Through a Loop of Wire