d'Arsonval galvanometer


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d'Ar·son·val gal·va·nom·e·ter

(dahr-sahn-vahl'),
a sensitive galvanometer consisting of a moving coil suspended in a permanent magnetic field between delicate metallic wires or ribbons that serve as both torsion springs and conductors; a mirror on the coil deflects a beam of light along the scale.

d'Arsonval,

Jacques Arsène, French biophysicist, 1851-1940.
d'Arsonval current - an alternating electric current having a frequency of 10,000 or more per second. Synonym(s): high-frequency current
d'Arsonval galvanometer - a sensitive galvanometer consisting of a moving coil suspended in a permanent magnetic field between delicate metallic wires.