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Racer spectating a spectator (mporsche02)
Race Number 3198
Date Tue, 12 Mar 2019 22:39:14 +0000
Speed 180 WPM Try to beat?
Accuracy 99.3%
Rank 1st place (out of 3)
Opponents hreyfill (2nd place) speedyant (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: