. (printsmorgan)

Race #618

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Official speed 78.10 wpm (43.48 seconds elapsed during race)
Race Start October 3, 2019 6:35:43pm UTC
Race Finish October 3, 2019 6:36:27pm UTC
Outcome No win (2 of 5)
Opponents 5. piotr_121 (59.64 wpm)
Accuracy 96.0%
Points 58.57
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.