MHT CET 2026 Physics question

A point charge 'Q' is placed at the centre of the line joining two equal charges '+q' and '+q'. The value of Q when the system is in equilibrium is

(A)
(B)
(C)
(D)Correct

Answer: (D)

Solution

Let the two charges be apart, so is at distance from each. The force on is zero by symmetry. For the equilibrium of one charge , the repulsion from the other must be balanced by the attraction towards : ${kq·

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Question ID VK-098417