The point charges in the figure below are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +19.0 µC and qc = −5.05 µC. (Assume that the +x-axis is directed to the right.) (a) Find the electric field at the location of qa. magnitude     N/C direction     ° (counterclockwise from the +x-axis) (b) What is the force on qa, given that qa = +1.50 nC? magnitude     N direction     ° (counterclockwise from the +x-axis)

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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.