Q. Three concentric conducting spherical shells carry charges as follows :$+ Q$ on the inner shell, $- 2Q$ on the middle shell and $- 5\ Q\ $on the outer shell. The charge in the inner surface of the outer shell is
A) Zero
B) $+ \ Q$
C) $- 2\ Q$
D) $- 3\ Q$
Explanation
The correct answer is Option A: Zero.
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.