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Determining electric field using gauss's law--different distributions
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[QUOTE="Helenah, post: 6470381, member: 635733"] [B]Homework Statement:[/B] We are supposed to determine which (if any) of the distributions will need to/could use Gauss's law to determine the electric field [B]Relevant Equations:[/B] flux = Q/electric constant = EA [ATTACH type="full" alt="Screen Shot 2021-03-18 at 11.41.03 PM.png"]279944[/ATTACH] These are the 4 distributions shown, and I have to determine which two distributions (or none at all) can use Gauss's law to determine the electric field. So electric flux = EA = Q/electric constant. Since all of them have charges, I could do something like Q/(A*electric constant) to get the electric field—that's where I'm confused, because I think I could actually use Gauss's law on all four of them. The only other way I can think of is that Gauss's law is applied to surfaces so that probably excludes lines (A) and disks (D), which do not really have surface area. Am I right in thinking so? Is there a better / correct way to get to the answer? [/QUOTE]
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Determining electric field using gauss's law--different distributions
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