DC Generators
In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when

The generator runs on designed speed
There is no load on the generator
The generator runs on overload
The generator runs on full load

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DC Generators
Wave winding is composed of

Any even number of conductors
Any odd number of conductors
That even number which is exact multiple of poles + 2
That even number which is exact multiple of poles

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