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A point charge of magnitude $+ 1\,\mu C$ is fixed at $(0, 0, 0) $. An isolated uncharged spherical conductor, is fixed with its center at $(4, 0, 0).$ The potential and the induced electric field at the centre of the sphere is
  • A$1.8\times 10^5\,V$ and $- 5.625 \times 10^6\,V/m$
  • B$0\,V$ and $0\,V/m$
  • C$2.25 \times 10^5\,V$ and $-5.625 \times 10^6\,V/m$
  • D$2.25 \times 10^5\,V$ and $0\,V/m$
JEE MAIN 2013, Diffcult
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