A non-conducting solid sphere of radius 
is charged uniformly. At what distance from its surface, electrostatic potential is half of the potential at the center?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
From concept of uniformly charged solid sphere
Potential at center of sphere is, 
Potential at distance 
from centre of sphere is 
Now 
Distance from surface 
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