Jon (bdnoj618)

Race #665

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Official speed 81.10 wpm (41.87 seconds elapsed during race)
Race Start October 14, 2020 12:48:34pm UTC
Race Finish October 14, 2020 12:49:16pm UTC
Outcome No win (2 of 5)
Opponents 1. the_conquerer (97.74 wpm)
Accuracy 97.0%
Points 60.82
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.