Consider the distribution of three charged particles as shown below. (a) What is the electric potential (voltage) at the point indicated with the dot (bottom right corner of the rectangle)? Express your answer in Volts. (b) If a proton were placed at the dot, and released from rest, what would be its speed very far away from these charges? Neglect air resistance and any gravitational forces.

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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.