Q.

A solid conducting sphere of radius 5.0cm has a charge of 0.25nc distributed uniformly on its surface. If point A is located at the centre of the sphere and a point B is 15cm from the centre, what is the magnitude of the electric potential difference between these two points?(in volt)

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answer is 30.

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Detailed Solution

VAVB=Kq1R1r=9×109×0.25×10915115×102

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A solid conducting sphere of radius 5.0cm has a charge of 0.25nc distributed uniformly on its surface. If point A is located at the centre of the sphere and a point B is 15cm from the centre, what is the magnitude of the electric potential difference between these two points?(in volt)