| 单词 | tangent galvanometer | 
| 释义 | > as lemmastangent galvanometer   tangent galvanometer  n. a galvanometer in which the tangent of the angle of deflection of the needle is proportional to the strength of the current passing through the coil. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > 			[noun]		 > measurement of galvanic currents > apparatus for > type of thermo-galvanometer1867 tangent galvanometer1873 ballistic galvanometer1875 tangent1905 string-galvanometer1909 tangent compass- 1873    J. C. Maxwell Treat. Electr. & Magn. 		(1881)	 II. 325  				The current is..proportional to the tangent of the deviation, and the instrument is therefore called a Tangent Galvanometer. 1876    W. H. Preece  & J. Sivewright Telegraphy 267  				The insulation resistance is the only test which is taken by means of the tangent-galvanometer. < as lemmas | 
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