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typeracer

Pit Stop
Racer GoodQuotesPlease (_aadirag_)
Race Number 230
Date Sun, 9 Dec 2018 4:33:15
Speed 107 WPM Try to beat?
Accuracy 97.8%
Rank 1st place (out of 5)
Opponents daddychristian (4th place) super33 (2nd place)

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)

Typing Review: