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Electrical Engineering Mcqs — Test 18

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Question 1
The resistance of armature winding depends on
Question 2
The commutator segments are connected to the armature conductors by means of___________?
Question 3
Which of the following could be lamina-proximately the thickness of laminations of a D.C. machine ?
Question 4
Laminations of core are generally made of________________?
Question 5
The armature of D.C. generator is laminated to_______________?
Question 6
Iron losses in a D.C. machine are independent of variations in_____________?
Question 7
Iron losses in a D.C. machine are independent of variations in______________?
Question 8
In D.C. generators, current to the external circuit from armature is given through_____________?
Question 9
Brushes of D.C. machines are made of_________?
Question 10
If a D.C. generator fails to build up the probable cause could not be_____________?