View Pit Stop page for race #289 by johnr_ — Ghost race
| Official speed | 69.95 wpm (48.55 seconds elapsed during race) |
|---|---|
| Race Start | June 8, 2020 2:35:42pm UTC |
| Race Finish | June 8, 2020 2:36:31pm UTC |
| Outcome | No win (2 of 5) |
| Accuracy | 95.0% |
| Points | 52.47 |
| 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. |