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If 'R' is radius of a sphere and Q is ch...

If 'R' is radius of a sphere and Q is charge supplied to it, then the surface charge density `(sigma)` is given by

A

`sigma = frac(Q)(2piR)`

B

`sigma = frac(Q)((frac(4)(3)piR^2))`

C

`sigma = frac(Q)(4piR^2)`

D

`sigma = frac(Q)(piR^2)`

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