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The magnitude of the electric field on t...

The magnitude of the electric field on the surface of a sphere of redius r having a uniform surface charge density `sigma` is

A

`(sigma)/(varepsilon_(0))`

B

`(sigma)/(2 varepsilon_(0))`

C

`(sigma)/(varepsilon_(0)r)`

D

`(sigma)/(2 varepsilon_(0)r)`

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