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typeracer

Pit Stop
Racer yuujin (frsteiner)
Race Number 321
Date Mon, 7 Sep 2020 0:01:01
Speed 46 WPM Try to beat?
Accuracy 94%
Rank 4th place (out of 4)
Opponents bently5102 (1st place) shiningemerald (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: