A bar magnet is dropped, N pole down, so it falls through a horizontal loop of wire. As it approaches the loop, the induced current (viewed from above) is:
A) clockwise
B) counterclockwise
C) zero

Question

Quizplus · Accepted Answer

According to Lenz's Law, the direction of the induced current will be such that it opposes the change causing it. As the N pole of the magnet approaches the loop, the induced current will be counterclockwise (when viewed from above) to oppose the magnet's approach by creating a magnetic field with a north pole facing the approaching magnet.

A Bar Magnet Is Dropped, N Pole Down, So It