Five point charges

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

Problem

Five point charges, each of value +q+q, are placed on five vertices of a regular hexagon of side LL. The magnitude of the force on a point charge of value −q-q coulomb placed at the center of the hexagon is (1) 1πϵ0(qL)2\frac{1}{\pi\epsilon_0} \left(\frac{q}{L}\right)^2 (2) 2πϵ0(qL)2\frac{2}{\pi\epsilon_0} \left(\frac{q}{L}\right)^2 (3) 12πϵ0(qL)2\frac{1}{2\pi\epsilon_0} \left(\frac{q}{L}\right)^2 (4) 14πϵ0(qL)2\frac{1}{4\pi\epsilon_0} \left(\frac{q}{L}\right)^2

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