jk (termjay94)

Race #464

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Official speed 88.77 wpm (38.26 seconds elapsed during race)
Race Start June 21, 2020 8:03:56am UTC
Race Finish June 21, 2020 8:04:34am UTC
Outcome No win (2 of 5)
Accuracy 95.0%
Points 66.58
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.