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typeracer

Pit Stop
Racer 21axel (21axel)
Race Number 1234
Date Tue, 17 Sep 2019 16:46:20
Speed 54 WPM Try to beat?
Accuracy 95.4%
Rank 3rd place (out of 5)
Opponents khaled_ismaeel (1st 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: