Two conducting spheres of radii $R_1$ and $R_2$ are charged with charges $Q_1$ and $Q_2$ respectively. On bringing them in contact there is
  • A
    always a decrease in energy of the system
  • Ban increase in the energy of the system if $Q_1R_2 \neq Q_2R_1$
  • C
    no change in the energy of the system
  • Da decrease in energy of the system if $Q_1R_2 \neq Q_2R_1$
Medium
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