MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

There are two charged identical metal sphere A and B repel each other with a force N. Another identical uncharged sphere C is touched with A and then placed at the mid-point between A and B. Net force on C is

Answer: (D)

Solution

With N, after touching A and C each carry while B keeps ; at the mid-point (distance ) the force from B is and from A is

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Question ID VK-070661