A point charge q = +4.7 C is placed at each corner of an equilateral triangle with
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A point charge q = +4.7 µC is placed at each corner of an equilateral triangle with sides 0.21 m in length.
(a) What is the magnitude of the electric field at the midpoint of any of the three sides of the triangle?
(b) Is the magnitude of the electric field at the center of the triangle greater than, less than, or the same as the magnitude at the midpoint of a side? Explain.
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