An electric charge $10^{-6} \mu C$ is placed at the origin $(0,0) \text{ m}$ of an $X-Y$ coordinate system. Two points $P$ and $Q$ are situated at $(\sqrt{3}, \sqrt{3}) \text{ m}$ and $(\sqrt{6}, 0) \text{ m}$ respectively. The potential difference between the points $P$ and $Q$ will be:

  • A
    $\sqrt{3} \text{ V}$
  • B
    $\sqrt{6} \text{ V}$
  • C
    $0 \text{ V}$
  • D
    $3 \text{ V}$

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