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If q is the charge per unit area on the ...

If q is the charge per unit area on the surface of a conductor, then the electric field intensity at a point on the surface is

A

`(q/epsi_0)`normal to surface

B

`(q/(2epsi_0))`normal to surface

C

`(q/epsi_0)` tangential to surface

D

`(q/(2epsi_0))tangential to surface

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