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typeracer

Pit Stop
Racer ed72 (ed72)
Race Number 21723
Date Sat, 11 May 2019 22:42:22
Speed 77 WPM Try to beat?
Accuracy 100%
Rank 5th place (out of 5)
Opponents calebhalvy (4th place) itstade (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: