Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A solid sphere having radius R and Uniform charge density ρ has a cavity of radius R/2 as shown in figure. Find the ratio of magnitude of electric field at point A and B i.e. 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2020
For a solid sphere
Electric field at point 
Electric Field Due to solid sphere of radius
(which having charge density -p)
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