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Two spheres A and B of radius 'a' and 'b...

Two spheres `A` and `B` of radius 'a' and 'b' respectively are at same electric potential. The ratio of the surface charge densities of `A` and `B` is

A

`(a)/(b)`

B

`(b)/(a)`

C

`(a^(2))/(b^(2))`

D

`(b^(2))/(a^(2))`

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