Electric field due to an infinite sheet
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Consider a square plate whose sides have length l=20 cm with a total charge of +5.0 nC spread uniformly on its surface. What are the magnitude and direction of the electric field at a point 1.0 mm away from the plate's center?
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Solution Summary
The expert determines what the magnitude and direction of an electric field on a square plate is.
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In the above fig., PO is the perpendicular on the plate from the point P. N is the mid point of a side. Hence, distance ON = ...
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