JB (wtfhowareyousofast)

Race #2921

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Official speed 111.57 wpm (36.46 seconds elapsed during race)
Race Start April 27, 2020 7:49:02am UTC
Race Finish April 27, 2020 7:49:39am UTC
Outcome Win (1 of 4)
Accuracy 98.0%
Points 107.85
Text #4060101 (Length: 339 characters)

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.