Guest
Race Result Details |
| Racer | poola (ppkf) |
| Race Number | 719 |
| Date | Mon, 22 Jun 2020 9:26:14 |
| Speed |
49 WPM
 Try to beat?
|
| Accuracy | 96.8% |
| Rank | 5th place (out of 5) |
| Opponents | yakaboosh (1st place) |
Text typed:
|
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.
— (book)
by Theodore Wildi
(see stats)
|