Three identical point charges each of charge q are located at the ver- tices of an equilateral triangle as in Figure P16.16. The distance from the center of the triangle to each vertex is a. (a) Show that the electric field at the center of the triangle is zero. (b) Find a symbolic expression for the electric potential at the center of the triangle. (c) Give a physical explanation of the fact that the electric b. Figure P16.16 potential is not zero, yet the electric field is zero at the center.

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Chapter1: Units, Trigonometry. And Vectors
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Three identical point charges
each of charge q are located at the ver-
tices of an equilateral triangle as in
Figure P16.16. The distance from the
center of the triangle to each vertex is
a. (a) Show that the electric field at the
center of the triangle is zero. (b) Find
a symbolic expression for the electric
potential at the center of the triangle.
(c) Give a physical explanation of the fact that the electric
b.
Figure P16.16
potential is not zero, yet the electric field is zero at the center.
Transcribed Image Text:Three identical point charges each of charge q are located at the ver- tices of an equilateral triangle as in Figure P16.16. The distance from the center of the triangle to each vertex is a. (a) Show that the electric field at the center of the triangle is zero. (b) Find a symbolic expression for the electric potential at the center of the triangle. (c) Give a physical explanation of the fact that the electric b. Figure P16.16 potential is not zero, yet the electric field is zero at the center.
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