Three particles are located at the vertices of an equilateral triangle of sides l. If the charge of each of the 3 particles is q, find: a) The electric force that is exerted on each of the charged particles. b) The electric force exerted by the system on a test charge Q, located at the center of the triangle.

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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.