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| | | #REDIRECT: [[Flux density]] |
| #REDIRECT [[flux density]] | |
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| <div class="termentry">
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| == flux density ==
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| <div class="definition"><div class="short_definition">(Sometimes, [[flux]].) The rate at which any physical quantity is transported (usually in a hemisphere of directions) across a unit area.</div><br/> <div class="paragraph">The term "flux" indicates flow (rate of [[transport]]), and "density" here is an areal (as opposed to volumetric) density. Flux densities often may be written in the form ''pnv'', where ''n'' is the number density (volumetric) of carriers of a property ''p'' (e.g., mass, charge, [[momentum]], [[energy]]) and ''v'' is their speed.</div><br/> </div>
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| [[Category:Terms_F]]
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