Spheres A and B have the same initial positive charge q. The magnitude of the repulsive electric force between the two spheres is 14.4 N when separated by a distance of 0.03 m . Find the initial charge q. The spheres are then allowed to touch each other then separated. Find the electric force between them if if the radius of sphere A is three times that of sphere B

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.