Andrew (nosingaround)

Race #4364

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Official speed 117.09 wpm (29.00 seconds elapsed during race)
Race Start November 7, 2020 7:31:16pm UTC
Race Finish November 7, 2020 7:31:45pm UTC
Outcome Win (1 of 4)
Opponents 3. kml1584 (91.92 wpm)
4. yuihan (80.64 wpm)
Accuracy 99.0%
Points 87.82
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.