J (yoyo123456789)

Race #994

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Official speed 58.22 wpm (58.33 seconds elapsed during race)
Race Start February 12, 2020 5:39:31pm UTC
Race Finish February 12, 2020 5:40:29pm UTC
Outcome No win (5 of 5)
Opponents 1. ayic (85.89 wpm)
2. maxpatriot (74.02 wpm)
Accuracy 93.0%
Points 43.67
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.