a (tinle1307)

Race #2933

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Official speed 103.26 wpm (32.89 seconds elapsed during race)
Race Start February 20, 2020 11:59:18pm UTC
Race Finish February 20, 2020 11:59:51pm UTC
Outcome No win (2 of 5)
Opponents 1. 242sonic (112.12 wpm)
3. tbefluffy (102.01 wpm)
Accuracy 98.0%
Points 77.44
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.