Stephen (kendozin)

Race #69

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Official speed 76.82 wpm (44.21 seconds elapsed during race)
Race Start February 14, 2019 3:43:56pm UTC
Race Finish February 14, 2019 3:44:40pm UTC
Outcome No win (3 of 5)
Opponents 2. zanilen (82.96 wpm)
Accuracy 96.0%
Points 57.61
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.