JEE Main 2018 Physics question

PhysicsElectric Charges and FieldsJEE Main 2018

Two identical conducting spheres, A and B, carry equal charge. They are separated by a distance much larger than their diameter, and the force between them is F. A third identical conducting sphere, C, is uncharged. Sphere C is first touched to A, then to B, and then removed. As a result, the force between A and B would be equal to -

Answer: (D)

Solution

Question ID VK-009143