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Racer Darragh (dsc555)
Race Number 117
Date Tue, 24 Nov 2020 17:23:56 +0000
Speed 52 WPM Try to beat?
Accuracy 96.4%
Rank 4th place (out of 5)
Opponents hassaan0180 (3rd place)

Text typed:

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 (see stats)

Typing Review: