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typeracer

Pit Stop
Racer Stephen (installed)
Race Number 13296
Date Thu, 16 Jan 2020 21:24:28
Speed 119 WPM Try to beat?
Accuracy 99.7%
Rank 1st place (out of 5)
Opponents flyeaglesfly (3rd place) mray (4th place) mrkastrator (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: