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DC Generators

DC Generators
In a D.C. generator the critical resistance refers to the resistance of

Load
Field
Armature
Brushes

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DC Generators
In D.C. generators on no-load, the air gap flux distribution in space is

Sinusoidal
Pulsating
Triangular
Flat topped

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DC Generators
Wave wound generators provide

More current but less voltage
Less current but more voltage
None of the listed here
More current and more voltage

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DC Generators
In lap winding, the number of brushes is always

Two
Double the number of poles
Same as the number of poles
Half the number of poles

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DC Generators
The greatest eddy current loss occurs in the _____ of a dc machine.

Yoke
Armature
Commutating poles
Field poles

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DC Generators
_____ together are called stray losses.

Field copper loss and iron loss
Iron and friction losses
Frictional loss and copper loss
Copper and iron losses

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