A capacitor $4\,\mu F$ charged to $50\, V$ is connected to another capacitor of $2\,\mu F$ charged to $100 \,V$ with plates of like charges connected together. The total energy before and after connection in multiples of $({10^{ - 2}}\,J)$ is

  • A

    $1.5$ and $1.33$

  • B

    $1.33$ and $1.5$

  • C

    $3.0$ and $2.67$

  • D

    $2.67$ and $3.0$

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