Q. When a metallic plate swings between the poles of a magnet
A) No effect on the plate
B) Eddy currents are set inside the plate and the direction of the current is along the motion of the plate
C) Eddy currents are set up inside the plate and the direction of the current oppose the motion of the plate
D) Eddy currents are set up inside the plate
Explanation
(c) When a changing magnetic flux is applied to a bulk piece of conducting material then circulating current is called eddy currents are induced in material.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.