Samuel (bigbadblowfish)

Race #2248

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Official speed 94.80 wpm (35.82 seconds elapsed during race)
Race Start September 27, 2019 9:24:02pm UTC
Race Finish September 27, 2019 9:24:37pm UTC
Outcome Win (1 of 4)
Opponents 3. ita17 (79.01 wpm)
Accuracy 99.0%
Points 71.10
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.