$A$ regular hexagon of side $10 \text{ cm}$ has a charge of $1 \mu\text{C}$ at each of its vertices. The potential at the centre of the hexagon is $\left[\frac{1}{4 \pi \varepsilon_0} = 9 \times 10^9 \text{ SI unit}\right]$.

  • A
    $1.8 \times 10^5 \text{ volt}$
  • B
    $3.6 \times 10^5 \text{ volt}$
  • C
    $5.4 \times 10^5 \text{ volt}$
  • D
    $7.2 \times 10^5 \text{ volt}$

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