| 单词 |
resistor |
| 释义 |
resistor Electr.|rɪˈzɪstə(r)|
[f. resist v. + -or.]
A passive device which impedes the flow of an electric current, used to develop a voltage drop across itself or to limit current flow.
[1759: see resister 2] .1905Sci. Amer. Suppl. 27 May 24586/1 The resistance medium or ‘resistor’, when solid, usually consists of a core of carbon, coke, or graphite. 1930Engineering 31 Jan. 128/3 A higher-temperature zone heated by non-metallic resistor rods. 1947R. Lee Electronic Transformers & Circuits vi. 181 Tubes may require resistors in the plate and grid leads to damp out parasitic oscillations. 1965Wireless World July 329/2 To monitor this current a 50 Ω resistor is inserted in the earthed lead of the recording head. A 1 kc/s signal source is then injected into the radio input of the recording amplifier and the voltage across the resistor measured with a valve voltmeter or oscilloscope. 1975Fink & McKenzie Electronics Engineers' Handbk. vii. 4 Wire-wound resistors usually exhibit an increase in resistance with higher frequencies because of skin effects. |
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单词 respond 释义 ▪ I. respond, n.|rspnd|Also 4–6 responde. See also respound, n.[a. OF.......