Aminul (fardin1bd)

Race #165

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Official speed 49.59 wpm (68.48 seconds elapsed during race)
Race Start May 23, 2019 10:53:20am UTC
Race Finish May 23, 2019 10:54:28am UTC
Outcome No win (5 of 5)
Opponents 2. emanuelchristo (57.59 wpm)
Accuracy 95.0%
Points 37.19
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.