Amin (suhail6)

Race #111

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Official speed 88.72 wpm (38.28 seconds elapsed during race)
Race Start September 19, 2020 3:19:38pm UTC
Race Finish September 19, 2020 3:20:17pm UTC
Outcome Win (1 of 5)
Accuracy 99.0%
Points 66.54
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.