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MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

There are two charged identical metal spheres 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

After touching, A and C carry and B carries q; at the mid-point the force of B on C is and that of A on C is (opposite directions),

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Question ID VK-070687