Siemens's law

noun
Sie·mens's law | \ˈsēmənz(ə̇z)-, ˈzē-\

Definition of Siemens's law 

: a statement in electricity: the greater the ratio of counter electromotive force to impressed electromotive force in a motor, the greater is its efficiency

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History and Etymology for Siemens's law

after Werner von Siemens †1892 German electrical engineer and inventor, its formulator

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