Andrew (thelittleninja7)

Race #351

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Official speed 73.75 wpm (46.05 seconds elapsed during race)
Race Start October 2, 2019 3:51:48pm UTC
Race Finish October 2, 2019 3:52:35pm UTC
Outcome No win (2 of 5)
Accuracy 96.0%
Points 55.31
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.