joshu (joshunq)

Race #1271

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Official speed 165.93 wpm (20.47 seconds elapsed during race)
Race Start December 16, 2020 2:21:12am UTC
Race Finish December 16, 2020 2:21:33am UTC
Outcome Win (1 of 3)
Opponents 2. iamslow103 (155.18 wpm)
Accuracy 98.0%
Points 124.44
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.