Nathan (burlisn)

Race #239

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Official speed 87.65 wpm (38.74 seconds elapsed during race)
Race Start March 11, 2019 2:12:17pm UTC
Race Finish March 11, 2019 2:12:56pm UTC
Outcome Win (1 of 5)
Opponents 3. didar860 (76.96 wpm)
Accuracy 99.0%
Points 65.73
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.