Two point charges Q1 = +4.80 nC and Q2 = −2.20 nC are separated by 55.0 cm. A:What is the electric potential at a point midway between the charges? (V) B:What is the potential energy of the pair of charges? (J) C:What is the significance of the algebraic sign of your answer? Positive or negative?

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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.