Two insulated metallic spheres of $3\,\mu F$ and $5\,\mu F$ capacitances are charged to $300\, V$ and $500\,V$ respectively. The energy loss, when they are connected by a wire is
  • A$0.012 \,J$
  • B$0.0218 \,J$
  • C$0.0375\, J$
  • D$3.75 \,J$
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