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typeracer

Pit Stop
Racer Chenfei (zcfshadow)
Race Number 2085
Date Fri, 22 Feb 2019 11:19:58
Speed 38 WPM Try to beat?
Accuracy 94.4%
Rank 4th place (out of 4)
Opponents emvasu (1st place) hannah_caley (2nd place) yuki23 (3rd 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: