Hall effect

Hall effect

noun Physics, Electricity.
the electromotive force generated in a strip of metal longitudinally conducting an electric current and subjected to a magnetic field normal to its major surface.

Origin:
1900–05; named after Edwin H. Hall (1855–1938), American physicist who discovered it

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World English Dictionary
Hall effect
 
n
the production of a potential difference across a conductor carrying an electric current when a magnetic field is applied in a direction perpendicular to that of the current flow
 
[named after Edwin Herbert Hall (1855--1938), American physicist who discovered it]

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American Heritage
Science Dictionary
Hall effect   (hôl)  Pronunciation Key 
A phenomenon that occurs when an electric current moving through a conductor is exposed to an external magnetic field applied at a right angle, in which an electric potential develops in the conductor at a right angle to both the direction of current and the magnetic field. The Hall effect is a direct result of Lorentz forces acting on the charges in the current, and is named after physicist Edwin Herbert Hall (1855-1938).
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