Three charged particle A, B and C with charges â€“4q, 2q and â€“2q are present on the circumference of a circle of radius d. the charged particles A, C and centre O of the circle formed an equilateral triangle as shown in figure. Electric field at O along x-direction is :

Question

${3{\sqrt 3 q} \over 4{\pi {\varepsilon _0}{d^2}}}$

${{\sqrt 3 q} \over 4{\pi {\varepsilon _0}{d^2}}}$

${{\sqrt 3 q} \over {\pi {\varepsilon _0}{d^2}}}$

${{2\sqrt 3 q} \over {\pi {\varepsilon _0}{d^2}}}$

Solution

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