Henry (purcellain)

Race #241

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Official speed 78.03 wpm (43.52 seconds elapsed during race)
Race Start March 6, 2019 8:16:33pm UTC
Race Finish March 6, 2019 8:17:17pm UTC
Outcome No win (3 of 4)
Opponents 1. xuyuri (90.40 wpm)
Accuracy 97.0%
Points 58.52
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.