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Question 1/ Choose True for correct sentences and False for the wrong sentences True False The same D.C. machine can be used interchangeably as a generator or as a motor. The direction of the induced e.m.f in the armature of D.C motor can be found by Fleming's left- hand Rule The back e.m.f of a D.C motor is in the same direction of the applied voltage

Question 1/ Choose True for correct sentences and False for the wrong sentences True False The same D.C. machine can be used interchangeably as a generator or as a motor. The direction of the induced e.m.f in the armature of D.C motor can be found by Fleming's left- hand Rule The back e.m.f of a D.C motor is in the same direction of the applied voltage

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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Question 1/ Choose True for correct sentences and False for the wrong sentences
docs.google.com a اسئلة الجانب النظري Question 1/ Choose True for correct sentences and False for the wrong sentences True False The same D.C. machine can be used interchangeably as a generator or as a motor. The direction of the induced e.m.f in the armature of D.C motor can be found by Fleming's left - hand Rule The back e.m.f of a D.C motor is in the same direction of the applied voltage In a D.C shunt motor the back e.m.f depends on the speed
Transcribed Image Text:docs.google.com a اسئلة الجانب النظري Question 1/ Choose True for correct sentences and False for the wrong sentences True False The same D.C. machine can be used interchangeably as a generator or as a motor. The direction of the induced e.m.f in the armature of D.C motor can be found by Fleming's left - hand Rule The back e.m.f of a D.C motor is in the same direction of the applied voltage In a D.C shunt motor the back e.m.f depends on the speed
1::19 docs.google.com a In the D.C series and shunt motors, the Torque of the armature is proportional to the square of the armature current The useful torque is same as the shaft torque After saturation, the armature torque of series motor is directly proportional to the square of the armature current For shunt motor, the field is proportional to the armature current When the armature cu losses equal to the constant losses, the efficiency will be maximum ora
Transcribed Image Text:1::19 docs.google.com a In the D.C series and shunt motors, the Torque of the armature is proportional to the square of the armature current The useful torque is same as the shaft torque After saturation, the armature torque of series motor is directly proportional to the square of the armature current For shunt motor, the field is proportional to the armature current When the armature cu losses equal to the constant losses, the efficiency will be maximum ora
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