r (deroche1)

Race #281486

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Official speed 176.12 wpm (19.28 seconds elapsed during race)
Race Start February 16, 2019 8:31:17pm UTC
Race Finish February 16, 2019 8:31:36pm UTC
Outcome Win (1 of 2)
Accuracy 98.0%
Points 132.09
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.