Direct Current Generator Or DC Generator Objective Questions and Answers
21. DC generator generates
A. AC voltage in the armature
B. DC voltage in the armature
C. AC superimposed over DC
D. None of the above
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A. AC voltage in the armature
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22. In DC generators the polarity of the Interpoles
A. Is the same as that of the main pole ahead
B. Is the same as that of the immediately preceding pole
C. Is opposite to that of the main poll ahead
D. Is the neutral as these poles do not play part in generating emf
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23. The EMF generated in a DC generator is directly proportional to
A. Flux/pole
B. Speed of armature
C. Number of poles
D. All of the above
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24. In a DC generator the critical resistance refers to the resistance of
A. Brushes
B. Field
C. Armature
D. Load
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25. A DC generator can be considered as
A. Rectifier
B. Prime mover
C. Rotating amplifier
D. Power pump
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