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DC Generators

DC Generators
The commutator of a dc generator acts as

None of the listed here
A rectifier
An amplifier
A load

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DC Generators
In dc generator, the generated voltage depend upon

Speed only
Both speed and flux
Flux only
None of the listed here

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DC Generators
The armature copper loss in a dc generator is a

Constant loss
None of the listed here
Variable loss
Stray loss

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DC Generators
If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will

Excite to one half of full voltage
Excite to full voltage
None of the listed here
Fail to excite

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DC Generators
Which of the following could be lamina proximately the thickness of laminations of a D.C. machine?

0.5 m
5 m
0.05 mm
0.005 mm

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DC Generators
An 8 pole duplex lap winding will have ______ parallel paths.

4
8
32
16

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