The electrostatic force on a small sphere of charge 0.2 µC due to another small sphere of charge -0.5 µC has magnitude 0.4 N. k= 8.99x109 Nm2 /C2 . (a) Identify the nature of the force on the second sphere due to the first. (b) Calculate the distance between the two spheres.

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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.