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{{T|lingua=inglese|argomento=fisica|data=febbraio 2007}}
{{S|fisica}}{{Bio
{{Bio
|Nome = Heinrich Friedrich Emil
|Cognome = Lenz
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È famoso per la [[legge di Lenz]] che afferma che la [[Differenza di potenziale|forza elettromotrice]] indotta ha segno tale da opporsi alla causa che l'ha generata.
 
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Lenz was born in [[Tartu]] in what is today [[Estonia]].
 
After completing his secondary education in 1820, Lenz studied chemistry and physics at the [[University of Tartu]]. He traveled with [[Otto von Kotzebue]] on his third expedition around the world from 1823 to 1826. On the voyage Lenz studied climatic conditions and the physical properties of seawater.
 
After the voyage, Lenz began working at the [[University of St. Petersburg]], where he later served as Dean of Mathematics and Physics from 1840 to 1863 ({{lang-ru|'''Эмилий Христианович Ленц'''}}). He began studying [[electromagnetism]] in 1831. Besides the law named in his honor, Lenz also independently discovered [[Joule's law]] in 1842; to honor his efforts on the problem, Russian physicists always use "Joule-Lenz law" as the name.
 
He died in Rome after suffering a stroke.
 
== External link ==
*[http://chem.ch.huji.ac.il/~eugeniik/history/lenz.html Page on Lenz from a list of famous electroscientists]
 
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[[de:Heinrich Friedrich Emil Lenz]]