Bryan (ogbbae)

Race #3896

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Official speed 89.76 wpm (37.83 seconds elapsed during race)
Race Start December 30, 2018 3:26:42am UTC
Race Finish December 30, 2018 3:27:20am UTC
Outcome Win (1 of 4)
Opponents 2. auxhil (81.99 wpm)
Accuracy 98.0%
Points 67.32
Text #4060102 (Length: 283 characters)

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.