Two point charges Q, = +5.20 nC and Q2 = -2.00 nC are separated by 55.0 cm. (a) What is the electric potential at a point midway between the charges? (b) What is the potential energy of the pair of charges? What is the significance of the algebraic sign of your answer? O Positive work must be done to separate the charges. O Negative work must be done to separate 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.