Kevin (zhengfeilong)

Race #758

View Pit Stop page for race #758 by zhengfeilongGhost race

View profile for Kevin (zhengfeilong)

Official speed 107.64 wpm (31.55 seconds elapsed during race)
Race Start February 19, 2019 10:17:48pm UTC
Race Finish February 19, 2019 10:18:20pm UTC
Outcome No win (4 of 5)
Opponents 2. bornzor (117.70 wpm)
3. kayak1 (117.37 wpm)
Accuracy 97.0%
Points 80.73
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.