Q. Electric intensity due to an electric dipole varies with distance (r ) as $E \propto r^{n},\ $where n is
A) -3
B) -2
C) -1
D) Zero
Explanation
(a) As $E \propto \frac{1}{r^{3}}\ \ \ \therefore n = - 3$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.