Volume 24: Pages 325-326, 2011
A misapprehension concerning electric current neutrality
Michael H. Brill1,a), David Dameron2,b) and Thomas E. Phipps , Jr. 3,c)
1 Datacolor, 5 Princess Road, Lawrenceville, New Jersey 08648, USA
2 819 Boundary Place, Manhattan Beach, California 90266-6621, USA
3 908 S. Busey Ave., Urbana, Ilinois 61801, USA
It is generally thought that, when direct current flows in a stationary wire, no external electric field is produced. However, we show that if the Lorentz contraction of the assemblage of moving electrons is taken into account, special relativity theory predicts a nonzero electric field. Other theory also predicts nonzero electric fields through other mechanisms, and experimental works report confirmation of these mechanisms.
Il est généralement admis que, lorsqu'un courant continu circule dans un fil immobile, un champ électrique externe n'est pas produit. Cependant, nous montrons que, si la contraction de Lorentz de l'assemblage des électrons en mouvement est prise en considération, la théorie de la relativité restreinte prédit un champ électrique non nul. Un' autre théorie prédit également des champs électriques non nuls par d'autres mécanismes, et des travaux expérimentaux confirment ces mécanismes.
Keywords: Special Relativity, Electromagnetism, Electromagnetic Theory
Received: January 4, 2011; Accepted: May 3, 2011; Published Online: June 16, 2011
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