Desuc (angzhiwei)

Race #2502

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Official speed 98.32 wpm (34.54 seconds elapsed during race)
Race Start December 12, 2019 12:35:07am UTC
Race Finish December 12, 2019 12:35:42am UTC
Outcome Win (1 of 5)
Accuracy 100.0%
Points 73.74
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.