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O) choose the correct answer : Note (answer all question) 1 When the excitation current increase the generator voltage is a) increase b) decrease c)zero d)anther 2 When the excitation current is zero the generator voltage called b) minimum voltage c)residual voltage d)zero a)maximum voltage voltage 3 When the load current in D.C series generator increase the generator voltage is a) constant b) increase c) decrease d)anther 4 In D.C shunt motor when increasing the load the speed is a) zero b) constant c) increase d) decrease 5 A D.C compound machine divided in two types according to the flux a) long and short b)series and shunt c) cumulative and deferential d)a and c 6 We can control in starter current in D.C motor by adding a) inductance b)capacitance c) rheostat d) anther 7 when the( RF-0) the excitation current called a) maximum current b) minimum current c)armature current d) rated current 8 We can change the direction of the speed of the machine a) reverse the polarization voltage b) reverse the excitation winding c)reverse the polarization armature winding d) all 9 The main difference between self and separately is a) way connect armature winding b) way connect excitation winding c) armature resistance d) a and b 10 The speed in D.C motor we control it by a) terminal voltage b) flux c) armature current d) all

O) choose the correct answer : Note (answer all question) 1 When the excitation current increase the generator voltage is a) increase b) decrease c)zero d)anther 2 When the excitation current is zero the generator voltage called b) minimum voltage c)residual voltage d)zero a)maximum voltage voltage 3 When the load current in D.C series generator increase the generator voltage is a) constant b) increase c) decrease d)anther 4 In D.C shunt motor when increasing the load the speed is a) zero b) constant c) increase d) decrease 5 A D.C compound machine divided in two types according to the flux a) long and short b)series and shunt c) cumulative and deferential d)a and c 6 We can control in starter current in D.C motor by adding a) inductance b)capacitance c) rheostat d) anther 7 when the( RF-0) the excitation current called a) maximum current b) minimum current c)armature current d) rated current 8 We can change the direction of the speed of the machine a) reverse the polarization voltage b) reverse the excitation winding c)reverse the polarization armature winding d) all 9 The main difference between self and separately is a) way connect armature winding b) way connect excitation winding c) armature resistance d) a and b 10 The speed in D.C motor we control it by a) terminal voltage b) flux c) armature current d) all

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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O) choose the correct answer : Note (answer all question) 1 When the excitation current increase the generator voltage is a) increase b) decrease c)zero d)anther 2 When the excitation current is zero the generator voltage called b) minimum voltage c)residual voltage d)zero a)maximum voltage voltage 3 When the load current in D.C series generator increase the generator voltage is a) constant b) increase c) decrease d)anther 4 In D.C shunt motor when increasing the load the speed is a) zero b) constant c) increase d) decrease 5 A D.C compound machine divided in two types according to the flux a) long and short b)series and shunt c) cumulative and deferential d)a and c 6 We can control in starter current in D.C motor by adding a) inductance b)capacitance c) rheostat d) anther 7 when the( RF-0) the excitation current called a) maximum current b) minimum current c)armature current d) rated current 8 We can change the direction of the speed of the machine a) reverse the polarization voltage b) reverse the excitation winding c)reverse the polarization armature winding d) all 9 The main difference between self and separately is a) way connect armature winding b) way connect excitation winding c) armature resistance d) a and b 10 The speed in D.C motor we control it by a) terminal voltage b) flux c) armature current d) all
Transcribed Image Text:O) choose the correct answer : Note (answer all question) 1 When the excitation current increase the generator voltage is a) increase b) decrease c)zero d)anther 2 When the excitation current is zero the generator voltage called b) minimum voltage c)residual voltage d)zero a)maximum voltage voltage 3 When the load current in D.C series generator increase the generator voltage is a) constant b) increase c) decrease d)anther 4 In D.C shunt motor when increasing the load the speed is a) zero b) constant c) increase d) decrease 5 A D.C compound machine divided in two types according to the flux a) long and short b)series and shunt c) cumulative and deferential d)a and c 6 We can control in starter current in D.C motor by adding a) inductance b)capacitance c) rheostat d) anther 7 when the( RF-0) the excitation current called a) maximum current b) minimum current c)armature current d) rated current 8 We can change the direction of the speed of the machine a) reverse the polarization voltage b) reverse the excitation winding c)reverse the polarization armature winding d) all 9 The main difference between self and separately is a) way connect armature winding b) way connect excitation winding c) armature resistance d) a and b 10 The speed in D.C motor we control it by a) terminal voltage b) flux c) armature current d) all
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