Rohan (infinity_crisis)

Race #464

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Official speed 80.80 wpm (42.03 seconds elapsed during race)
Race Start November 30, 2019 12:46:31am UTC
Race Finish November 30, 2019 12:47:13am UTC
Outcome No win (4 of 5)
Opponents 1. audreyhy (101.13 wpm)
3. hahnurk (85.30 wpm)
Accuracy 96.0%
Points 60.60
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.