Two pith balls carrying equal charges are suspended from a common point by strings of equal length the equilibrium separation

Question

Two pith balls carrying equal charges are suspended from a common point by strings of equal length the equilibrium separation between them is r Now the strings are rigidly clamped at half the height The equilibrium separation between the balls now become NEET 2013 A r 1 2 2 3 2r 3 2 y 2 2r 2 6 3 1 4 2

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