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A shunt-wound DC motor with the field colls and rotor connected in parallel (Figure 1) operates from a 135 V DC power line. The resistance of the field windings, Rp is 230 2. The resistance of the rotor, R,, is 5.80 2 When the motor is running, the rotor develops an emf E. The motor draws a current of 4.98 A from the line. Friction losses amount to 50.0 W. Vậc E, R, 47 Part A Compute the field current I. Part B Compute the rotor current I,. Part C Compute the emf E. ww-

A shunt-wound DC motor with the field colls and rotor connected in parallel (Figure 1) operates from a 135 V DC power line. The resistance of the field windings, Rp is 230 2. The resistance of the rotor, R,, is 5.80 2 When the motor is running, the rotor develops an emf E. The motor draws a current of 4.98 A from the line. Friction losses amount to 50.0 W. Vậc E, R, 47 Part A Compute the field current I. Part B Compute the rotor current I,. Part C Compute the emf E. ww-

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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A shunt-wound DC motor with the field colls and rotor connected in parallel (Figure 1) operates from a 135 V DC power line. The resistance of the field windings, Rf is 230 N. The resistance of the rotor, R,, is 5.80 2 When the motor is running, the rotor develops an emf E. The motor draws a current of 4.98 A from the line. Friction losses amount to 50.0 W. Vac E, R, Part A Compute the field current I. Part B Compute the rotor current I,. Part C Compute the emf E. Part D Compute the rate of development of thermal energy in the field windings w-
Transcribed Image Text:A shunt-wound DC motor with the field colls and rotor connected in parallel (Figure 1) operates from a 135 V DC power line. The resistance of the field windings, Rf is 230 N. The resistance of the rotor, R,, is 5.80 2 When the motor is running, the rotor develops an emf E. The motor draws a current of 4.98 A from the line. Friction losses amount to 50.0 W. Vac E, R, Part A Compute the field current I. Part B Compute the rotor current I,. Part C Compute the emf E. Part D Compute the rate of development of thermal energy in the field windings w-
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