A graph of the x component of the electric field as a function of x in a region of space is shown in the figure. The scale of the vertical axis is set by Exs = 20.0 N/C. The y and z components of the electric field are zero in this region. If the electric potential at the origin is 19 V, (a) what is the electric potential at x = 2.0 m, (b) what is the greatest positive value of the electric potential for points on the x axis for which 0 <= x <= 6.0 m, and (c) for what value of x is the electric potential zero? Exst E, (N/C) W x (m) -Exs 1 2 3 4 5 6

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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.