Kim Jong-il (a9088391)

Race #53662

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Official speed 68.88 wpm (49.30 seconds elapsed during race)
Race Start March 8, 2019 12:28:12pm UTC
Race Finish March 8, 2019 12:29:02pm UTC
Outcome No win (5 of 5)
Opponents 1. marswork (78.68 wpm)
2. achimia (78.15 wpm)
4. get_out (72.72 wpm)
Accuracy 98.0%
Points 51.66
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.