There are two identical and oppositely charge spheres made of conducting material placed at a certain distance from each other. Let the sphere A has a charge of +50 x 10-19 C while the sphere B has a charge of -20 x 10-19 C. If at certain instant of time the two spheres come in contact through a conducting a wire, then specify the resulting charge on 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.