Master (mcrockett)

Race #1780

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Official speed 105.44 wpm (32.21 seconds elapsed during race)
Race Start March 27, 2019 12:46:32pm UTC
Race Finish March 27, 2019 12:47:04pm UTC
Outcome Win (1 of 4)
Opponents 2. xted (104.61 wpm)
3. stajlarn (85.82 wpm)
Accuracy 98.0%
Points 79.08
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.