Science Fair Project Encyclopedia
Weber (unit)
In physics, the weber (symbol: Wb) is the SI derived unit of magnetic flux. It is named after the German physicist Wilhelm Eduard Weber (1804 - 1891).
The weber may be defined in terms of Faraday's law, which relates a changing magnetic flux through a loop to the electric field around the loop. A change in flux of one weber per second will induce an emf of one volt.
In SI base units, the dimensions of the weber are kg·m2·s-2·A-1. In derived units, they are volt-seconds (V·s).
The weber is a large unit, equal to 108 maxwells. Magnetic flux on the order of magnitude of a weber is rarely observed.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details