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D'Arsonval galvanometer

American  
[dahr-suhn-vawl, -val] / ˈdɑr sənˌvɔl, -ˌvæl /
Or d'Arsonval galvanometer

noun

Electricity.
  1. a galvanometer consisting of a large, fixed magnet and a light coil that swings in the magnetic field.


Etymology

Origin of D'Arsonval galvanometer

First recorded in 1885–90; named after Jacques A. D'Arsonval (1851–1940), French physicist

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