A regular hexagon of side $10\; cm$ has a charge $5 \;\mu\, C$ at each of its vertices. Calculate the potential at the centre of the hexagon.

  • A

    $9.2 \times 10^{6} \;V$

  • B

    $7.4 \times 10^{5} \;V$

  • C

    $4.2 \times 10^{5} \;V$

  • D

    $2.7 \times 10^{6} \;V$

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