Satwik (satwik2708)

Race #664

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Official speed 70.44 wpm (48.21 seconds elapsed during race)
Race Start September 3, 2020 9:42:48pm UTC
Race Finish September 3, 2020 9:43:36pm UTC
Outcome No win (3 of 5)
Opponents 5. karguy1 (61.31 wpm)
Accuracy 98.0%
Points 52.83
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.