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Physics/Gaussian surface

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Tensae Lemma wrote at 2012-12-30 07:07:45
Gauss's law provide* an easy means of finding E or D for symmetrical charge distributions

such as a point charge, an infinite line charge, an infinite cylindrical surface

charge, and a spherical distribution of charge. A continuous charge distribution has rectangular

symmetry if it depends only on x (or y or z), cylindrical symmetry if it depends only

on p, or spherical symmetry if it depends only on r (independent of 6 and <j>). It must be

stressed that whether the charge distribution is symmetric or not, Gauss's law always

holds.


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