The electric field intensity at a point on the axis of an electric dipole in air is 
. Then the electric field intensity at a point on the equatorial line which is at a distance equal to twice the distance on the axial line and if the dipole is in a medium of dielectric constant 4 is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
As, electric field intensity of the axis,
For 
Electric field intensity on equatorial line,
For 
Here, 
and 
Using (i), we get
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