burger flipper (melikepi)

Race #4235

View Pit Stop page for race #4235 by melikepiGhost race

View profile for burger flipper (melikepi)

Official speed 168.39 wpm (20.17 seconds elapsed during race)
Race Start March 18, 2019 4:23:50pm UTC
Race Finish March 18, 2019 4:24:10pm UTC
Outcome Win (1 of 2)
Accuracy 99.0%
Points 126.29
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.