| 单词 | slide-wire | 
| 释义 | > as lemmasslide-wire   slide-wire  n.  Brit. , U.S. a resistance wire along which an electrical contact slides in a Wheatstone bridge or similar device. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > resistance > 			[noun]		 > movable contact slider1872 sliding contact1872 slide-wire1885 1885    J. Dredge Electr. Illumination II.  i. 53  				The Slide-Wire, or Metre Bridge..is a modification of the bridge due to Kirchoff, and is especially useful for the measurement of low resistances. 1902    Encycl. Brit. XXVI. 501/1  				In the rare cases in which it is necessary to employ a long slide-wire..the calibration is best effected by comparison with a standard, such as a Thomson-Varley slide-box. 1902    Encycl. Brit. XXVI. 501/1  				In all work of precision the slide-wire is supplemented by auxiliary resistances by which the scale may be indefinitely extended. 1905    G. F. Goodchild  & C. F. Tweney Technol. & Sci. Dict. 682/2  				Slide Wire, the straight wire which furnishes the two variable resistances in a Wheatstone Bridge of the straight form known as a Slide Wire Bridge. 1922    R. Glazebrook Dict. Appl. Physics II. 714/2  				The first bridge to employ a slide wire was devised by Fleeming Jenkin in 1862 and was used to intercompare the standard coils made for the British Association Committee on Electrical Standards. 1964    Oceanogr. & Marine Biol. 2 359  				The depth element is a Bourdon tube coupled to a slide-wire potentiometer. 1969    A. Brodgesell in  B. G. Lipták Instrument Engineers' Handbk. I. ix. 942  				Potentiometric displacement sensors consist of a slide wire and wiper. The slide wire is powered by a constant voltage representing full scale travel. < as lemmas | 
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