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typeracer

Pit Stop
Racer Adam (adammal11)
Race Number 12
Date Wed, 21 Oct 2020 21:25:34
Speed 55 WPM Try to beat?
Accuracy 96.6%
Rank 3rd place (out of 3)

Text typed:

A train equipped with, say, two dc motors, is started with both motors connected in series to an external resistor. As the speed picks up, the resistor is shorted out. The motors are then paralleled and connected in series with another resistor. Finally, the last resistor is shorted out, as the train reaches its nominal torque and speed.
— (book) by Theodore Wildi (see stats)

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