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jtbell
#3
Jan14-13, 11:07 AM
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Or, you can find the electric field produced by a uniform plane sheet of charge by treating it as a collection of point charges and integrating over the whole sheet. If the sheet is large enough to be effectively "infinite" in size, you get the result that the field is uniform on either side of the sheet, in opposite directions on the two sides. (Using Gauss's Law is much quicker, if you know it and understand it.)