Juan Benedict (jbdl2005)

Race #641

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Official speed 42.34 wpm (80.21 seconds elapsed during race)
Race Start May 16, 2020 5:27:27am UTC
Race Finish May 16, 2020 5:28:47am UTC
Outcome No win (4 of 5)
Accuracy 98.0%
Points 31.76
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.