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typeracer

Pit Stop
Racer Viktor (r3peat111)
Race Number 78
Date Thu, 12 Dec 2019 10:50:00
Speed 70 WPM Try to beat?
Accuracy 94.1%
Rank 3rd place (out of 5)
Opponents chsrujan (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: