carleel (menamesringo)

Race #4237

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Official speed 94.60 wpm (35.90 seconds elapsed during race)
Race Start November 10, 2019 6:48:14pm UTC
Race Finish November 10, 2019 6:48:50pm UTC
Outcome Win (1 of 4)
Opponents 2. everest1 (79.54 wpm)
Accuracy 99.0%
Points 70.95
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.