| galvanometer | <physics> An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle. Differential galvanometer. <physics> See Differental, Sine galvanometer, Cosine galvanometer, Tangent galvanometer, a galvanometer in which the sine, cosine, or tangent respectively, of the angle through which the needle is deflected, is proportional to the strength of the current passed through the instrument. Origin: Galvanic: cf. F. Galvanometre. Source: Websters Dictionary (01 Mar 1998) |
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| d'Arsonval current | An alternating electric current having a frequency of 10,000 or more per second; it produces no muscular contractions and does not affect the sensory nerves. Synonym: d'Arsonval current, Tesla current. (05 Mar 2000) |
| d'Arsonval, Jacques Arsene | <person> French biophysicist, 1851-1940. See: d'Arsonval current, d'Arsonval galvanometer. (05 Mar 2000) |
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