Q. The field due to a magnet at a distance $R$ from the centre of the magnet is proportional to
A) $R^{2}$
B) $R^{3}$
C) 1/$R^{2}$
D) 1/$R^{3}$
Explanation
(d) Provided length of magnet is << the distance
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.