Collin (temposchool)

Race #179

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Official speed 79.30 wpm (42.82 seconds elapsed during race)
Race Start November 21, 2019 7:10:27pm UTC
Race Finish November 21, 2019 7:11:10pm UTC
Outcome No win (5 of 5)
Opponents 3. mrollie (84.69 wpm)
4. jussuduur (81.73 wpm)
Accuracy 96.0%
Points 59.47
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.