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typeracer

Pit Stop
Racer Harmon (harmesan1)
Race Number 70
Date Mon, 7 Sep 2020 1:01:54
Speed 76 WPM Try to beat?
Accuracy 95.5%
Rank 5th place (out of 5)
Opponents 00059066 (2nd place) celiacprincess (4th place) l502x (1st place) noksen (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: