Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A solid sphere (center O ) having uniform charge density ρ and radius R is shown in figure. A spherical cavity of radius 
is made in it. What is the potential at point O?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Charge of the whole sphere is 
Charge in the cavity region is
Potential at point O is given as
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