Jason (tophbeifong123)

Race #4928

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Official speed 79.05 wpm (42.96 seconds elapsed during race)
Race Start September 24, 2019 12:35:17am UTC
Race Finish September 24, 2019 12:36:00am UTC
Outcome No win (3 of 4)
Opponents 2. oneguardsam (86.65 wpm)
4. vasushash_2016 (63.49 wpm)
Accuracy 96.0%
Points 59.29
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.