Q108 / 125 · BITSAT 2011 · Physics

A hollow metal sphere of radius $5 \mathrm{~cm}$ is charged such that the potential on its surface is $10 \mathrm{~V}$. The potential at a distance of $2 \mathrm{~cm}$ from the centre of the sphere is

A
zero
Correct answer
B
$10 \mathrm{~V}$
C
$4 \mathrm{~V}$
D
$10 / 3 \mathrm{~V}$

Solution

Potential at any point inside the sphere $=$ potential at the surface of the sphere $=10 \mathrm{~V}$.

Hence, the correct answer is option: 'B'.

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