kieran (kieran_c01)

Race #1302

View Pit Stop page for race #1302 by kieran_c01Ghost race

View profile for kieran (kieran_c01)

Official speed 74.89 wpm (45.35 seconds elapsed during race)
Race Start July 14, 2019 4:17:31pm UTC
Race Finish July 14, 2019 4:18:16pm UTC
Outcome Win (1 of 3)
Accuracy 97.0%
Points 56.17
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.