abigail (abigail_w)

Race #8914

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Official speed 127.11 wpm (26.72 seconds elapsed during race)
Race Start August 18, 2019 10:37:22pm UTC
Race Finish August 18, 2019 10:37:49pm UTC
Outcome No win (2 of 3)
Accuracy 100.0%
Points 95.33
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.