Emmanuel (emanzman)

Race #38

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Official speed 47.80 wpm (71.05 seconds elapsed during race)
Race Start April 25, 2020 11:41:59pm UTC
Race Finish April 25, 2020 11:43:10pm UTC
Outcome No win (3 of 3)
Accuracy 95.0%
Points 35.85
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.