24) The windings of a DC motor have a resistance of 6.0 Q. The motor operates on 120. V AC, and when running at full speed it generates a back emf of 105. V. (a) What is the starting current of the motor? (b) What current does the motor draw when operating at full speed?

24) The windings of a DC motor have a resistance of 6.0 Q. The motor operates on 120. V AC, and when running at full speed it generates a back emf of 105. V. (a) What is the starting current of the motor? (b) What current does the motor draw when operating at full speed?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 73AP: A 120-V, series-wound dc motor draws 0.50 A from its power source when operating at full speed, and...

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Question

24) The windings of a DC motor have a resistance of 6.0 Q. The motor operates
on 120. V AC, and when running at full speed it generates a back emf of 105. V.
(a) What is the starting current of the motor?
(b) What current does the motor draw when operating at full speed?

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