Cooper (cweissman1)

Race #72

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Official speed 50.60 wpm (67.11 seconds elapsed during race)
Race Start September 2, 2020 12:58:59am UTC
Race Finish September 2, 2020 1:00:06am UTC
Outcome No win (5 of 5)
Opponents 1. fishysquidman (73.92 wpm)
3. a_fifus (67.63 wpm)
Accuracy 96.0%
Points 37.95
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.