$A$ $6\,\mu F$ capacitor is charged from $10\,V$ to $20\,V$. The 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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