A $700\,pF$ capacitor is charged by a $50\,V$ battery. The electrostatic energy stored by it is

  • A

    $17.0 \times {10^{ - 8}}\,J$

  • B

    $13.6 \times {10^{ - 9}}\,J$

  • C

    $9.5 \times {10^{ - 9}}\,J$

  • D

    $8.7 \times {10^{ - 7}}\,J$

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