(keegant)

Race #50929

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Official speed 106.27 wpm (31.96 seconds elapsed during race)
Race Start January 14, 2019 7:00:53am UTC
Race Finish January 14, 2019 7:01:25am UTC
Outcome Win (1 of 2)
Opponents 2. ohclaudia (80.31 wpm)
Accuracy 97.0%
Points 79.71
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.