jivanf (jivan108)

Race #466

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Official speed 145.98 wpm (23.26 seconds elapsed during race)
Race Start July 28, 2020 2:06:42am UTC
Race Finish July 28, 2020 2:07:05am UTC
Outcome Win (1 of 3)
Opponents 2. smoothbrain (120.55 wpm)
Accuracy 99.0%
Points 109.48
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.