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typeracer

Pit Stop
Racer Sammy (rennis)
Race Number 215
Date Wed, 19 Feb 2020 23:53:06
Speed 68 WPM Try to beat?
Accuracy 95.4%
Rank 2nd place (out of 5)
Opponents kaiser_socei (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: