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Solve all parts of given question:
Question: A square metal plate of edge length 9.4 cm and negligible thickness has a total charge of 5.8 x 10-6 C.
Part A: Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.45 mm from the center) by assuming that the charge is spread uniformly over the two faces of the plate.
Part B: Estimate Eat a distance of 41 m (large relative to the plate size) by assuming that the plate is a point charge. Give your answers in
N/C.
I don't understand how to get the answer. Can you please help me with this question?
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