Five point charges, \( +q \) each, are placed at the five vertices of a regular hexagon. The dis...

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Five point charges, \( +q \) each, are placed at the five vertices of a regular hexagon. The distance of the center of the hexagon from any of the vertices is \( a \). The electric field at the center of the hexagon is
(1) \( \frac{q}{4 \pi \varepsilon_{0} a^{2}} \)
(2) \( \frac{q}{8 \pi \varepsilon_{0} a^{2}} \)
(3) \( \frac{q}{16 \pi \varepsilon_{0} a^{2}} \) (4) zero
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