Parth (parth96)

Race #346

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Official speed 56.29 wpm (60.33 seconds elapsed during race)
Race Start August 16, 2020 3:49:05am UTC
Race Finish August 16, 2020 3:50:05am UTC
Outcome Win (1 of 2)
Accuracy 95.0%
Points 42.22
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.