Foot (footballer10)

Race #108

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Official speed 71.73 wpm (47.34 seconds elapsed during race)
Race Start October 28, 2019 10:45:46am UTC
Race Finish October 28, 2019 10:46:33am UTC
Outcome No win (4 of 5)
Opponents 1. timjeffery44 (108.59 wpm)
2. smowheer (92.39 wpm)
Accuracy 96.0%
Points 53.80
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.