Ewan (dungcatcher)

Race #347

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Official speed 46.60 wpm (72.88 seconds elapsed during race)
Race Start April 12, 2020 12:28:31pm UTC
Race Finish April 12, 2020 12:29:43pm UTC
Outcome No win (4 of 5)
Accuracy 93.0%
Points 34.95
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.