| 单词 | electrical pressure |
| 释义 | > as lemmaselectrical pressure 7. Potential difference, voltage; = electric potential n. at electric adj. and n. Compounds 1b. More fully electric pressure, electrical pressure. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > voltage > electrical potential > [noun] tension1785 electric tension1802 potential1828 potential function1828 pd1887 pressure1889 potentiality1898 1889 Nature 24 Oct. 630/2 Currents of high tension are converted into pressures suitable for incandescent lamps by means of transformers. 1909 Rep. Regul. Use Electr. Energy under Factory & Workshop Act 1901 18/1, in Parl. Papers (Cd. 4462) XXI. 641 In these regulations:–Pressure means the difference of electrical potential between any two conductors, or between a conductor and earth, as read by a hot wire or electrostatic volt-meter. 1924 A. J. Allmand & H. J. T. Ellingham Princ. Appl. Electrochem. (ed. 2) i. 6 The unit of electrical energy, the watt-second or joule, is defined as the energy expended in one second by an unvarying electric current of one ampere flowing under an electric pressure of one volt. 1969 E. P. Anderson Home Appliance Servicing (ed. 2) ii. 17 Electric pressure is variously called difference in potential, voltage or electromotive force. 1989 A. C. Davies Sci. & Pract. Welding (ed. 9) I. iv. 164 The electrical pressure available at the terminals of the generator when no current is flowing in the circuit is known as the electro-motive force (e.m.f.). < as lemmas |
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