DC Generators
In case of D.C. machine winding, number of commutator segments is equal to

Number of armature turns
Number of armature conductors
Number of armature coil sides
Number of armature coils

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DC Generators
Inter-pole flux should be sufficient to

Neutralize the armature reaction flux
None of these
Neutralize the commutating self induced e.m.f.
Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil

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