Ben (benholt87)

Race #4

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Official speed 125.18 wpm (27.13 seconds elapsed during race)
Race Start October 18, 2019 4:11:25pm UTC
Race Finish October 18, 2019 4:11:52pm UTC
Outcome Win (1 of 3)
Opponents 2. briseis (97.22 wpm)
Accuracy 98.0%
Points 93.88
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.