Be aware of cyclists! (ireleaseresistance)

Race #10895

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Official speed 59.29 wpm (57.28 seconds elapsed during race)
Race Start August 22, 2019 3:49:05pm UTC
Race Finish August 22, 2019 3:50:03pm UTC
Outcome No win (3 of 5)
Accuracy 96.0%
Points 44.47
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.