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

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

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DC Generators
While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards

Direction of motion of conductor, if forefinger points along the lines of flux
Direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
Direction of flux
Direction of induced e.m.f.

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