Three charges

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

Problem

Three charges, each of +q+q, are placed at the vertices of an equilateral triangle. The charge needed at the in centre of the triangle for the charges to be in equilibrium is (a) −q3-\frac{q}{\sqrt{3}} (b) +q3+\frac{q}{\sqrt{3}} (c) +3q+\sqrt{3}q (d) −3q-\sqrt{3}q

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