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Lenz's law

(physics) the principle that the direction of the current induced in a circuit by a changing magnetic field is such that the magnetic field produced by this current will oppose the original field
Word Origin
C19: named after H. F. E. Lenz (1804–65), German physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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lenz's law in Science
Lenz's law
A principle stating that an electric current, induced by a source such as a changing magnetic field, always creates a counterforce opposing the force inducing it. This law explains such phenomena as diamagnetism and the electrical properties of inductors. The law is named after its discoverer, German physicist Heinrich Lenz (1804-1865).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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