# Six point charges

Six point charges are kept at the vertices of a regular hexagon of side $$L$$ and centre $$0$$, as shown in the figure. Given that $$K= \frac{1}{4\pi\epsilon_0} \frac{q}{L^2}$$, which of the following statement(s) is(are) correct?

(A) The electric field at $$0$$ is $$6K$$ along $$OD$$.
(B) The potential at $$0$$ is zero.
(C) The potential at all points on the line $$PR$$ is same.
(D) The potential at all points on the line $$ST$$ is same.

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