单词 | ohmmeter |
释义 | ohmmetern. An instrument for measuring electrical resistance in ohms. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > resistance > [noun] > unit of resistance > instrument for measuring ohmmeter1884 megohmmeter1909 1884 F. Krohn tr. G. Glaser de Cew Magneto- & Dynamo-electr. Machines 237 We shall not..describe this instrument,..nor the ohm-meter, for measuring resistance in ohms. 1891 ‘Electrician’ Primer No. 12. 8 Ohmmeters indicate the ratio of the pressure between the ends of a conductor to the current passing through that conductor. 1926 Science 23 July p. xiii (advt.) A Weston portable direct reading ohmmeter for use in making rapid resistance measurements for both commercial and scientific work. 1963 L. K. Nash Nature Nat. Sci. vi. 144 An ohmeter gives a direct pointer reading of ‘resistance’, but ultimately it yields a comparison of this resistance with that of a particular spool of manganin wire. 1988 B. Sterling Islands in Net (1989) iv. 130 Ohm meter, wire stripper, needlenose pliers. 1990 Skin Diver Mar. 146h/1 You can test the output of your charger with either a battery tester or an ohmmeter. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1884 |
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。