Q. For substances hysteresis $(B$-$H$) curves are given as shown in figure. For making temporary magnet which of the following is best
A)
B)
C)
D)
Explanation
(d) For a temporary magnet the hysteresis loop should be long and narrow
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.