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DC Generators

DC Generators
The brush voltage drop in dc machine is about _______

0.1 V
2 V
10 V
20 V

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DC Generators
The armature conductors of a 6 pole, lap wound dc generator are divided into

2 parallel paths
4 parallel paths
6 parallel paths
3 parallel paths

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DC Generators
In D.C. generators, current to the external circuit from armature is given through

Solid connection
Commutator
None of above
Slip rings

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DC Generators
The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is

11.3%
4.5%
9.1%
2.8%

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DC Generators
The critical resistance of the D.C. generator is the resistance of

Field
Armature
Brushes
Load

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DC Generators
The armature core of a D.C. generator is usually made of

Cast-iron
Nonferrous material
Copper
Silicon steel

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