Point charge ${q_1} = 2\,\mu C$ and ${q_2} = - 1\,\mu C$ are kept at points $x = 0$ and $x = 6$ respectively. Electrical potential will be zero at points

  • A

    $x = 2$ and $x = 9$

  • B

    $x = 1$ and $x = 5$

  • C

    $x = 4$ and $x = 12$

  • D

    $x = - 2$ and $x = 2$

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