James (vulcanmag872)

Race #130

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Official speed 61.37 wpm (55.34 seconds elapsed during race)
Race Start October 14, 2020 7:26:42pm UTC
Race Finish October 14, 2020 7:27:37pm UTC
Outcome No win (5 of 5)
Accuracy 96.0%
Points 46.03
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.