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resistances control method. - Q4.(A)- Indicate whether the following statements are true or false and correct the false statements 1- During speed control of DC shunt motor, it is not possible to exceed the rated speed by armature 2- In a 4-pole,25kW, 200V wave wound de shunt generator the current in each parallel path is 125A. 3-D.C. series motor is best suited where high starting torque is required shunt motor is driving a certain load. The effect of adding an external

resistances control method. - Q4.(A)- Indicate whether the following statements are true or false and correct the false statements 1- During speed control of DC shunt motor, it is not possible to exceed the rated speed by armature 2- In a 4-pole,25kW, 200V wave wound de shunt generator the current in each parallel path is 125A. 3-D.C. series motor is best suited where high starting torque is required shunt motor is driving a certain load. The effect of adding an external

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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Q4.(A)- resistances control method. Indicate whether the following statements are true or false and correct the false statements 1-During speed control of DC shunt motor, it is not possible to exceed the rated speed by armature 2- In a 4-pole,25kW, 200V wave wound de shunt generator the current in each parallel path is 125A. 3-D.C. series motor is best suited where high starting torque is required 4-A DC. shunt motor is driving a certain load. The effect of adding an external resistance in field circuit 5-Distribution transformers should be designed to have maximum efficiency at or near full-load. 6- The real component (I.) of no-load current is responsible for generation flux in transformer 7. The power produced by autotransformers is transferred by induction only is to reduce the motor speed.
Transcribed Image Text:Q4.(A)- resistances control method. Indicate whether the following statements are true or false and correct the false statements 1-During speed control of DC shunt motor, it is not possible to exceed the rated speed by armature 2- In a 4-pole,25kW, 200V wave wound de shunt generator the current in each parallel path is 125A. 3-D.C. series motor is best suited where high starting torque is required 4-A DC. shunt motor is driving a certain load. The effect of adding an external resistance in field circuit 5-Distribution transformers should be designed to have maximum efficiency at or near full-load. 6- The real component (I.) of no-load current is responsible for generation flux in transformer 7. The power produced by autotransformers is transferred by induction only is to reduce the motor speed.
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