Q. The magnet can be completely demagnetized by
A) Breaking the magnet into small pieces
B) Heating it slightly
C) Droping it into ice cold water
D) A reverse field of appropriate strength
Explanation
The correct answer is Option D: A reverse field of appropriate strength.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.