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The efficiency, at rated load, of a 100-hp 600-V DC shunt motor is 90 percent. The field resistance is 190 Ω, and the armature resistance is 0.22 Ω. The full-load speed is 1200 rpm. Find A) the rated line current a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above B) the armature current at full load a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above C) the field current. a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above

The efficiency, at rated load, of a 100-hp 600-V DC shunt motor is 90 percent. The field resistance is 190 Ω, and the armature resistance is 0.22 Ω. The full-load speed is 1200 rpm. Find A) the rated line current a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above B) the armature current at full load a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above C) the field current. a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The efficiency, at rated load, of a 100-hp 600-V DC shunt motor is 90 percent. The field resistance is 190 Ω, and the armature resistance is 0.22 Ω. The full-load speed is 1200 rpm. Find
A) the rated line current
a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above
B) the armature current at full load
a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above
C) the field current.
a) 3.16 A b) 134.99 A c) 138.15 A d) none of the above

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