Dopaminex (keatonasmith)

Race #4050

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Official speed 136.14 wpm (24.94 seconds elapsed during race)
Race Start February 5, 2019 11:41:38pm UTC
Race Finish February 5, 2019 11:42:03pm UTC
Outcome Win (1 of 5)
Opponents 2. mattbierwirth (118.29 wpm)
3. striven (99.16 wpm)
Accuracy 98.0%
Points 102.10
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.