Kelan (kelanwu17)

Race #139

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Official speed 75.56 wpm (44.94 seconds elapsed during race)
Race Start December 13, 2020 6:34:09pm UTC
Race Finish December 13, 2020 6:34:54pm UTC
Outcome Win (1 of 2)
Opponents 2. kodyson (33.92 wpm)
Accuracy 96.0%
Points 56.67
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.