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Racer Marco (marcopolo123)
Race Number 307
Date Mon, 14 Jan 2019 01:07:41 +0000
Speed 75 WPM Try to beat?
Accuracy 96.3%
Rank 3rd place (out of 4)
Opponents nielsey (2nd place) purplat (1st 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: