A $6\,\mu F$ capacitor is charged from $10\;volts$ to $20\;volts$. Increase in energy will be

  • A

    $18 \times {10^{ - 4}}\,J$

  • B

    $9 \times {10^{ - 4}}\,J$

  • C

    $4.5 \times {10^{ - 4}}\,J$

  • D

    $9 \times {10^{ - 6}}\,J$

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