jse (dragoncityjose)

Race #4882

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Official speed 142.71 wpm (23.80 seconds elapsed during race)
Race Start October 20, 2020 3:48:12pm UTC
Race Finish October 20, 2020 3:48:36pm UTC
Outcome Win (1 of 4)
Opponents 2. g1_petroleum (130.87 wpm)
Accuracy 98.0%
Points 107.03
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.