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DC Generators

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

Brushes
Armature
Field
Load

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DC Generators
The armature of a dc machine is made of ______

Cast steel
Silocon steel
Soft iron
Wrought iron

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DC Generators
The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator.

Less than
More than
About the same as
None of the listed here

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DC Generators
Current versus time graph for an ideal commutation is a

Straight line
None of the listed here
Parabola
Hydrobola

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DC Generators
The ideal commutation in a coil is not possible because each coil has

Inductance
Capacitance
Resistance
None of the listed here

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DC Generators
Wave wound generators provide

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

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