\( \mathrm{ABC} \) is an equilateral triangle. Charges \( +q \) are P placed at each corner. The...

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\( \mathrm{ABC} \) is an equilateral triangle. Charges \( +q \) are
P placed at each corner. The electric intensity at \( O \) will be
W
(A) \( \frac{1}{4 \pi \varepsilon_{0}} \frac{q}{r^{2}} \)
(B) \( \frac{1}{4 \pi \varepsilon_{0}} \frac{q}{r} \)
(C) Zero
(D) \( \frac{1}{4 \pi \varepsilon_{0}} \frac{3 q}{r^{2}} \)
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