A hollow metal sphere of radius $5 c m$ is charged such that the potential on its surface is $10 v o l t s$ . The potential at the centre of the sphere will be:

z e r o

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5 v o l t s

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10 v o l t s

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0.2 v o l t s

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Solution

The correct option is B $10 v o l t s$
Shell theorem :
$\Rightarrow$ Potential inside a metal sphere is constant and is equal to potential on surface
$∴$ V inside sphere $= 10 V$

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a metal sphere of radius 5 cm is charged such that the potential on its surface is 10 v . What is potential at centre of sphere?

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