Morris (reinheart)

Race #2296

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Official speed 99.35 wpm (34.18 seconds elapsed during race)
Race Start October 19, 2020 11:36:15am UTC
Race Finish October 19, 2020 11:36:50am UTC
Outcome Win (1 of 5)
Accuracy 96.0%
Points 74.51
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.