meep (passing_through)

Race #2203

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Official speed 123.62 wpm (27.47 seconds elapsed during race)
Race Start August 30, 2019 9:07:45am UTC
Race Finish August 30, 2019 9:08:13am UTC
Outcome Win (1 of 3)
Accuracy 97.0%
Points 92.71
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.