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File:Faraday disk generator.jpg

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160:. If an electrical circuit such as a galvanometer was connected between the binding posts (B) and (B') the motion induced a radial flow of current in the disk, from the axle toward the edge. The current flows into the spring contact (m) sliding along the edge of the disk, out of binding post (B') through the external circuit to binding post (B) , and back into the disk through the axle. Turning it in the opposite direction reverses the direction of current. The caption also says that passing a current from a Bunsen cell (battery) through it would cause the disk to turn, making it function as an 415:"}},"text\/plain":{"en":{"":"inception"}}},"{\"value\":{\"time\":\"+1884-01-01T00:00:00Z\",\"timezone\":0,\"before\":0,\"after\":0,\"precision\":9,\"calendarmodel\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q1985727\"},\"type\":\"time\"}":{"text\/html":{"en":{"P571":"1884"}},"text\/plain":{"en":{"P571":"1884"}}}}": --> 318: 38: 330: 282: 94: 411: 491: 538:{{Information |Description=Drawing of Faraday disk, the first electric generator, invented by British scientist Michael Faraday in 1831. |Source=Downloaded from [http://books.google.com/books?id=zh5pbMMwARQC&pg=PA224 Émile Alglave & J. Boulard (1884) ' 890: 720: 344:
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The caption describes it as 'Foucault's and Le Roux's apparatus' so this picture was not drawn from Faraday's original machine, but one owned by Faraday's contemporary French physicist
650: 940: 412: 925: 875: 187:. The Faraday disk was an inefficient generator because counter-currents flowed back through regions of the disk outside the magnetic field. It was the first 156:
in 1831. The copper disk (D) rotated between the poles of a horseshoe shaped magnet (A), creating a potential difference between the axis and rim due to
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the
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User:Jtwsaddress42/Gallery/Faraday, Michael - Michael Faraday
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The Electric Light: Its History, Production, and Applications
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Alterations to image: cropped out caption and list of parts.
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203: 385:The Faraday disk, the first electric generator 93: 233: 199: 135: 245:Public domain - published in USA before 1923 225: 209: 14: 811:Générateur homopolaire (machine électrique) 741:User:Jtwsaddress42/Gallery/Faraday, Michael 731:User:Jtwsaddress42/People/Faraday, Michael 598:The following other wikis use this file: 681:Usuari:Contraix/proves/Màquina de Gramme 851:Cronologia delle invenzioni/XIX secolo 215:Émile Alglave & J. 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File:Faraday disk generator.jpg
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Original file
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electromagnetic generator
Michael Faraday
Faraday's law of induction
electric motor
Léon Foucault
homopolar generator
Émile Alglave & J. Boulard (1884) The Electric Light: Its History, Production, and Applications, translated by T. O'Conor Sloan, D. Appleton & Co., New York, p.224, fig.142
Reusing this file
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rule of the shorter term
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