g (gkonti)

Race #769

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Official speed 63.42 wpm (53.55 seconds elapsed during race)
Race Start August 29, 2020 1:49:41pm UTC
Race Finish August 29, 2020 1:50:34pm UTC
Outcome Win (1 of 5)
Opponents 2. porosh45 (53.87 wpm)
3. frxction (51.58 wpm)
4. kaneki75 (44.72 wpm)
Accuracy 95.0%
Points 47.56
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.