A charged cylinder of radius 
has surface charge density 
. It is placed in a medium of dielectric constant 628. The electric intensity at a point at a distance of 
from its axis is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
The electric field intensity at a point outside a charged cylinder is
where, 
surface charge density,
radius of the cylinder,
dielectric constant,
distance of point from axis of the cylinder
Here, 
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