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typeracer

Pit Stop
Racer (joshua728)
Race Number 29848
Date Wed, 22 Nov 2023 3:42:06
Speed 244 WPM Try to beat?
Accuracy 100%
Rank 1st place (out of 2)

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: