$100$ capacitors each having a capacity of $10\,\mu F$ are connected in parallel and are charged by a potential difference of $100\,kV$. The energy stored in the capacitors and the cost of charging them, if electrical energy costs $108\;paise\;per\;kWh$, will be

  • A

    ${10^7}\;joule$ and $300\;paise$

  • B

    $5 \times {10^6}joule$ and $300\;paise$

  • C

    $5 \times {10^6}joule$ and $150\;paise$

  • D

    ${10^7}\,joule$ and $150\;paise$

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