jSean (jseanjx)

Race #242

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Official speed 54.45 wpm (62.37 seconds elapsed during race)
Race Start May 20, 2020 3:33:03am UTC
Race Finish May 20, 2020 3:34:06am UTC
Outcome No win (3 of 5)
Accuracy 95.0%
Points 40.84
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.