A charge Q is uniformly distributed over the surface of two conducting concentric spheres of radii R and r (Rgtr). Then, potential at common centre of these spheres isA. `(kQ(R+r))/(Rr)`B. `(kQ(R+r))/((R^(2)+r^(2)))`C. `(kQ)/(sqrt(R^(2)+r^(2)))`D. `kQ((1)/(R)-(1)/(r))`

A charge Q is uniformly distributed over the surface of two conducting

1.	A charge Q is uniformly distributed over the surface of two conducting concentric spheres of radii R and r (Rgtr). Then, potential at common centre of these spheres isA. `(kQ(R+r))/(Rr)`B. `(kQ(R+r))/((R^(2)+r^(2)))`C. `(kQ)/(sqrt(R^(2)+r^(2)))`D. `kQ((1)/(R)-(1)/(r))`
Answer» Correct Answer - B

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A charge Q is uniformly distributed over the surface of two conducting concentric spheres of radii R and r (Rgtr). Then, potential at common centre of these spheres isA. `(kQ(R+r))/(Rr)`B. `(kQ(R+r))/((R^(2)+r^(2)))`C. `(kQ)/(sqrt(R^(2)+r^(2)))`D. `kQ((1)/(R)-(1)/(r))`

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