Zoomer (somerandomkid76)

Race #32

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Official speed 65.01 wpm (52.24 seconds elapsed during race)
Race Start January 13, 2020 2:22:11pm UTC
Race Finish January 13, 2020 2:23:03pm UTC
Outcome Win (1 of 5)
Opponents 4. parad (53.12 wpm)
Accuracy 94.0%
Points 48.76
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.