A 120 V motor draws 12 A when running at 3200 RPM. When the motor armature is momentarily stopped the current increases to 30 A. What is the resistance of the armature? Select one: O a. 4.0 O b. 14.0 O c.6.0 d. 10.0

A 120 V motor draws 12 A when running at 3200 RPM. When the motor armature is momentarily stopped the current increases to 30 A. What is the resistance of the armature? Select one: O a. 4.0 O b. 14.0 O c.6.0 d. 10.0

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 2RQ

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A 120 V motor draws 12 A when running at 3200 RPM. When the motor armature is
momentarily stopped the current increases to 30 A. What is the resistance of the
armature?
Select one:
a. 4.0
b. 14.0
O c.6.0
O d. 10.0

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