Jack (jacksmurthwaite)

Race #10309

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Official speed 78.86 wpm (43.06 seconds elapsed during race)
Race Start October 3, 2019 4:34:32pm UTC
Race Finish October 3, 2019 4:35:15pm UTC
Outcome Win (1 of 5)
Opponents 2. manny_the_potato (77.42 wpm)
Accuracy 97.0%
Points 59.15
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.