@itsmobs (mobs)

Race #59

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Official speed 34.62 wpm (98.09 seconds elapsed during race)
Race Start April 1, 2019 1:23:12pm UTC
Race Finish April 1, 2019 1:24:51pm UTC
Outcome No win (3 of 5)
Accuracy 95.0%
Points 25.97
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.