Find the electric field at point P (as shown in figure) on the perpendicular bisector of a uniformly charged thin wire of length L carrying a charge Q. The distance of the point P from the centre of the rod is a = ${{\sqrt 3 } \over 2}L$.

Question

${Q \over {4\pi {\varepsilon _0}{L^2}}}$

${Q \over {3\pi {\varepsilon _0}{L^2}}}$

${Q \over {2\sqrt 3 \pi {\varepsilon _0}{L^2}}}$

${{\sqrt 3 Q} \over {4\pi {\varepsilon _0}{L^2}}}$

Solution

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