Radmir (radmir2015)

Race #263

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Official speed 84.78 wpm (40.06 seconds elapsed during race)
Race Start March 15, 2019 3:45:43pm UTC
Race Finish March 15, 2019 3:46:23pm UTC
Outcome Win (1 of 3)
Opponents 2. rayden0609 (78.43 wpm)
Accuracy 97.0%
Points 63.58
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.