sniper gang (sniper_gang)

Race #14

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Official speed 42.13 wpm (80.61 seconds elapsed during race)
Race Start December 7, 2018 12:08:58am UTC
Race Finish December 7, 2018 12:10:19am UTC
Outcome Win (1 of 5)
Accuracy 96.0%
Points 31.60
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.