A Misapprehension Concerning Electric Current Neutrality

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Scientific Paper
Title A Misapprehension Concerning Electric Current Neutrality
Author(s) Dave Dameron, Thomas E Phipps, Michael H Brill
Keywords Special Relativity, Electromagnetism, Electromagnetic Theory
Published 2011
Journal Physics Essays
Volume 24
Number 3
No. of pages 2
Pages 325-326


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.