A circular coil lies flat on a horizontal surface.A bar magnet is held fixed above the center of the coil with its north pole pointing downward.What is the direction of the induced current in the coil,as viewed from above?
A)clockwise
B)counterclockwise
C)There is no current in the coil.

Question

Quizplus · Accepted Answer

Since the bar magnet is held fixed and not moving relative to the coil, there is no changing magnetic flux through the coil. According to Faraday's law of electromagnetic induction, a current is induced in a coil only if there is a change in magnetic flux through the coil.

A Circular Coil Lies Flat on a Horizontal Surface