Evelyn (someone9999)

Race #110

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Official speed 99.27 wpm (34.21 seconds elapsed during race)
Race Start August 18, 2020 5:15:53am UTC
Race Finish August 18, 2020 5:16:27am UTC
Outcome No win (2 of 3)
Opponents 1. gavwhela (107.19 wpm)
Accuracy 97.0%
Points 74.45
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.