Six point charges are placed at the vertices of a regular hexagon of side $a$ as shown. If $E$ represents electric field and $V$ represents electric potential at $O$, then
Six point charges are placed at the vertices of a regular hexagon of side $a$ as shown. If $E$ represents electric field and $V$ represents electric potential at $O$, then
- A
$E=0$ but $V \neq 0$
- B
$E \neq 0$ but $V=0$
- C
$E=0$ and $V=0$
- D
$E \neq 0$ and $V \neq 0$
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