Ohm, Georg Simon (gāˈôrkh zēˈmôn ōm) [key], 1787–1854, German physicist. He was professor at Munich from 1852. His study of electric current led to his formulation of the law now known as Ohm's law. The unit of electrical resistance (see ohm) was named for him. He also made studies in acoustics and in crystal interference. His writings include The Galvanic Current Investigated Mathematically (1827, tr. 1891).
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