View Pit Stop page for race #8914 by abigail_w — Ghost race
View profile for abigail (abigail_w)
Official speed | 127.11 wpm (26.72 seconds elapsed during race) |
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Race Start | August 18, 2019 10:37:22pm UTC |
Race Finish | August 18, 2019 10:37:49pm UTC |
Outcome | No win (2 of 3) |
Accuracy | 100.0% |
Points | 95.33 |
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. |