Consider the two charges Q1 = 2.0 x 10-7 C, and Q2 = -2.0 x 10-7 C, held 15 cm. from each other. Find: 1) The magnitude of the force between the two charges.  2) The magnitude and direction of the electric field at point O midway between the charges?

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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.