Online Encyclopedia
John Hopkinson
John Hopkinson (July 28, 1849 - August 27, 1898) was a British physicist and electrical engineer.
Hopkinson became famous through his work on the application of electricity and magnetism in devices like a dynamo and electromagnets.
The magnetic equivalent of Ohm's law is named after him: Hopkinson's law .
See also: Maxwell's laws
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Last updated: 10-24-2004 05:10:45