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A conductor having a charge density of ...

A conductor having a charge density of ` 120 mu C/m^2` is surrounded by a medium of dielectric constant 4 . The electric intensity at a point very near the charged conductor is

A

`9.33 xx 10^6 N/C`

B

`3.39 xx 10^8 N/C`

C

`9.33 xx 10^8 N/C`

D

`3.389 xx 10^6 N/C`

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