(zealindaus)

Race #2353

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Official speed 108.14 wpm (31.40 seconds elapsed during race)
Race Start January 15, 2020 5:29:29am UTC
Race Finish January 15, 2020 5:30:01am UTC
Outcome Win (1 of 4)
Opponents 2. tomfoolery42 (100.54 wpm)
Accuracy 99.0%
Points 81.10
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.