1. Two point charges are located on the x-axis as shown, a +2 µC charge at x = -5 cm, and a - 2µC charge at x =+5 cm. (a) Calculate the electric potential at the origin, x= y = 0 cm. (b) For what values of x and y would the electric potential be the same as at the origin? (c) Based upon this equipotential line, what direction should the Electric field be in along this line? (d) If another point charge is placed at y =+5 cm, find the electric potential energy of this particle if it has a total charge of +2 nC.

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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.