A point charge q1 = 4.05 nC is placed at the origin, and a second point charge q2 = -2.90 nC is placed on the x-axis at x=+ 20.5 cm. A third point charge q3 = 2.10 nC is to be placed on the x-axis between q1 and q2. (Take as zero the potential energy of the three charges when they are infinitely far apart.) Part A;What is the potential energy of the system of the three charges if q3 is placed at x=+ 10.0 cm? U=__J Part B;Where should q3 be placed between q1 and q2 to make the potential energy of the system equal to zero? x=__cm

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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.