shudd3r (shudd3r)

Race #1470

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Official speed 76.64 wpm (44.31 seconds elapsed during race)
Race Start June 20, 2020 6:00:38pm UTC
Race Finish June 20, 2020 6:01:23pm UTC
Outcome Win (1 of 5)
Accuracy 99.0%
Points 57.48
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.