Question

# A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 volts. The potential of the centre of the sphere is:

A
zero
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B
10 volts
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C
Same as at a point 5 cm away from the surface.
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D
Same as at a point 25 cm away from the surface.
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Solution

## The correct option is B 10 voltsFor hollow spherical conductor -⇒ Potential on its surface = Potential on center =10volts.Because, the electric field inside the spherical shell is zero, due to which the potential inside the shell is constant and will be equal to the potential at the surface.Hence, the answer is 10volts.

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