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 $V \neq 0$
Medium
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