Q. A ball with charge $- 50\ e$ is placed at the centre of a hollow spherical shell which has a net charge of $- 50\ e.$ What is the charge on the shell’s outer surface
A) $- 50e$
B) Zero
C) $- 100e$
D) $+ 100e$
Explanation
(c) [image:1_image307.emf]
Charge on outer surface $= - 50e - 50e$
$= - 100e$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.