In the figure below, each charged particle is located at one of the four vertices of a square with side length = a. In the figure, A = 3, B = 4, and C = 5, and q > 0. a) What is the expression for the magnitude of the electric field in the upper right corner of the square (at the location of q)? (Use the following as necessary: q, a, and ke.) Give the direction angle (in degrees counterclockwise from the +x-axis) of the electric field at this location. b) Determine the expression for the total electric force exerted on the charge q. (Enter the magnitude. Use the following as necessary: q, a, and ke.) Give the direction angle (in degrees counterclockwise from the +x-axis) of the electric force on q.

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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.