Nocturnal prime (demonixrob)

Race #5146

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Official speed 118.25 wpm (28.72 seconds elapsed during race)
Race Start May 14, 2020 12:00:13pm UTC
Race Finish May 14, 2020 12:00:41pm UTC
Outcome Win (1 of 4)
Opponents 2. dhonuill (108.31 wpm)
Accuracy 99.0%
Points 88.69
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.