Q. The materials suitable for making electromagnets should have
A) High retentivity and high coercivity
B) Low retentivity and low coercivity
C) High retentivity and low coercivity
D) Low retentivity and high coercivity
Explanation
(c) Electromagnets are made of soft iron. The soft iron has high retentivity and low corectivity.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.