请输入您要查询的英文单词:

 

单词 decade box
释义

> as lemmas

decade box
(a) A set of resistors (or capacitors or inductors) connected so as to provide a resistance of any integral value between one and ten times the lowest at a single setting of a switch, etc.; a decade is usually one of several in a box which cover successive multiples of ten in value (so decade box, etc.).
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > resistor
high-frequency resistance1892
decade1911
voltage divider1930
bleeder resistance or resistor1935
resistor1947
1911 W. H. Timbie Elem. Electr. v. 121 (caption) Wheatstone bridge, ‘decade’ form.
1911 W. H. Timbie Elem. Electr. v. 121 The coils composing the variable resistance are arranged in such an ingenious way that 10 variations in value in each ‘decade’ or row are made by the use of only 4 coils.
1911 W. H. Timbie Elem. Electr. v. 122 One decade represents 1000-ohm steps, the next 100-ohm steps, etc. This gives a total range in the four decades of 9999 ohms, by one-ohm steps.
1952 F. E. Terman & J. M. Pettit Electronic Measurem. (ed. 2) xiv. 615 In grouping condensers together to form decade units, it is desirable to employ the smallest possible number of condensers.
1952 F. K. Harris Electr. Measurem. vii. 229 There may be ten 1-ohm coils for the unit decade, ten 10-ohm coils for the ten decade, etc.
1952 F. K. Harris Electr. Measurem. vii. 231 The switching arrangement most common in decade resistance boxes..is the rotary switch having brushes which bear on contact studs.
extracted from decaden.
<
as lemmas
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/2/15 15:39:57