Three charges each of are placed at

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

Three charges each of +1C+1\text{C} are placed at (1,0,0)(1, 0, 0), (2,1,1)(2, 1, 1) and (3,0,0)(3, 0, 0), then force on the charge placed at (1,0,0)(1, 0, 0) is (a) −9×109[i^(133+18)+j^+k^]-9 \times 10^9 \left[ \hat{i} \left( \frac{1}{3\sqrt{3}} + \frac{1}{8} \right) + \hat{j} + \hat{k} \right] (b) −9×109[i^(133+14)+j^+k^33]-9 \times 10^9 \left[ \hat{i} \left( \frac{1}{3\sqrt{3}} + \frac{1}{4} \right) + \frac{\hat{j} + \hat{k}}{3\sqrt{3}} \right] (c) −9×109[i^(133−18)+j^+k^]-9 \times 10^9 \left[ \hat{i} \left( \frac{1}{3\sqrt{3}} - \frac{1}{8} \right) + \hat{j} + \hat{k} \right] (d) None of these

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