$A$ hollow metal sphere of radius $5\, cm$ is charged such that the potential on its surface is $10\, V$. The potential at the centre of the sphere is

  • A
    $0\, V$
  • B
    $10\, V$
  • C
    Same as at a point $5\, cm$ away from the surface
  • D
    Same as at a point $25\, cm$ away from the surface

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