LukeLR (lukelr)

Race #10

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Official speed 87.19 wpm (38.95 seconds elapsed during race)
Race Start April 19, 2019 12:26:12am UTC
Race Finish April 19, 2019 12:26:51am UTC
Outcome Win (1 of 5)
Opponents 2. carpalxqgmlwy (78.73 wpm)
4. johnz (69.34 wpm)
Accuracy 96.0%
Points 65.39
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.