Billy (zner278)

Race #75

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Official speed 54.58 wpm (62.22 seconds elapsed during race)
Race Start December 26, 2019 6:36:36am UTC
Race Finish December 26, 2019 6:37:38am UTC
Outcome No win (2 of 2)
Accuracy 93.0%
Points 40.94
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.