The electrostatic force of attraction between two small spheres that are 1.0 meter apart is 90 N.   If the distance between the spheres is increased to 3.0 meters the electrostatic force will then be:     A. 90 N   B. 810 N   C. 270 N   D. 30 N   E. 10 N

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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.