(filth001)

Race #92952

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Official speed 147.49 wpm (23.03 seconds elapsed during race)
Race Start December 17, 2022 12:41:53am UTC
Race Finish December 17, 2022 12:42:16am UTC
Outcome Win (1 of 2)
Accuracy 97.0%
Points 110.61
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.