GALVANOMETER

galvanometer

(noun) meter for detecting or comparing or measuring small electric currents

Source: WordNet® 3.1

Etymology

Noun

galvanometer (plural galvanometers)

(physics) A device used to indicate the presence and direction of a small electric current, especially used to detect a null or balanced condition in a bridge circuit.

Source: Wiktionary

Gal`va*nom"e*ter, n. Etym: [Galvanic + -meter: cf. F. galvanomètre.] (Elec.)

Definition: An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle. Differential galvanometer. See under Differental, a.

– Sine galvanometer, Cosine galvanometer, Tangent galvanometer (Elec.), 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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