Two capacitors of capacitances $C$ and $2\, C$ are charged to potential differences $V$ and $2\, V$, respectively. These are then connected in parallel in such a manner that the positive terminal of one is connected to the negative terminal of the other. The final energy of this configuration is$.....CV^2$
  • A$4.5$
  • B$4.16$
  • C$0$
  • D$1.5$
JEE MAIN 2020, Diffcult
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