A thin conducting spherical shell (center at $O$ ) having charge $Q_0$ , radius $R$ and three point charges $Q_0$ , $-2Q_0$ , $3Q_0$ are also kept at point $A$ , $B$ and $C$ respectively as shown. Find the potential at any point on the conducting shell. (Potential at infinity is assumed to be zero)
  • A$\frac{{5K{Q_0}}}{{2R}}$
  • B$\frac{3}{2}\frac{{K{Q_0}}}{R}$
  • C$\frac{{K{Q_0}}}{{3R}}$
  • D
    None of these
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