View Pit Stop page for race #1784 by footlover — Ghost race
View profile for zack (footlover)
Official speed | 71.73 wpm (47.34 seconds elapsed during race) |
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Race Start | January 8, 2019 9:29:15pm UTC |
Race Finish | January 8, 2019 9:30:02pm UTC |
Outcome | No win (2 of 5) |
Accuracy | 99.0% |
Points | 53.80 |
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. |