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Transformers and most electric motors operate on alternating current. In such devices the flux in the iron changes continuously both in value and direction. The magnetic domains are therefore oriented first in one direction, then the other, at a rate that depends upon the frequency.
Electrical Machines, Drives, and Power Systems (book) by Theodore Wildi
Language: English
Submitted by: jgg_im_bad
This text has been typed more than 1000 times:
Avg. speed: 75 WPM
Avg. accuracy: 96.3%

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1 joshua728 235 WPM 99.0% 176 1/2 Jan. 29, 2024
2 arenasnow 201 WPM 100.0% 151 1/2 April 27, 2019
3 chakk 199 WPM 100.0% 149 1/4 Feb. 2, 2019
4 goldjet32 194 WPM 100.0% 145 1/1 Oct. 28, 2020
5 typos_z 193 WPM 99.0% 145 1/2 July 26, 2021
6 afterbreakonly 183 WPM 100.0% 137 1/5 June 17, 2019
7 slekap 183 WPM 99.0% 137 1/3 Nov. 26, 2020
8 mporsche02 180 WPM 99.0% 135 1/3 March 12, 2019
9 mononym_jisoo 180 WPM 99.0% 135 1/2 Nov. 13, 2023
10 mako640 179 WPM 99.0% 134 1/4 April 29, 2019