A magnet,with its north pole pointed downwards,is falling down directly above a wire loop.As the magnet approaches the wire loop (before it passes through the loop),
A)an induced current flows through the wire loop,in a clockwise orientation (as seen from above).
B)an induced current flows through the wire loop,in a counterclockwise orientation (as seen from above).
C)no current flows through the wire loop.

Question

Quizplus · Accepted Answer

According to Faraday's law of electromagnetic induction, a changing magnetic field induces an electromotive force (EMF) in a conductor. As the north pole of the magnet points downwards, the magnetic flux through the wire loop increases, which induces a counterclockwise current in the wire loop, as seen from above.

A Magnet,with Its North Pole Pointed Downwards,is Falling Down Directly