Welcome to your DC Machines
The developed electromagnetic force and/or torqe in electromechanical energy conversion system act in a direction that tends
The teeth in the armature of a dc machine are something skewed.This is done to reduce
For a linear electromagnetic circuit,the following statement is true
Width of a carbon brush should be equal to
Reluctance torque in rotating machines is present,when
The field coils of a dc generator are usually made of
The number of parallel paths for a 4-pole duplex lap winding will be
Laminated yoke in dc motor can reduce
Wave winding is employed in a dc machine of
The commutator of a dc motor serves the purpose of
For a 4-pole machine wave winding is impossible with — armature conductors
In a dc machine armature windind,the number of commutator segments is equal to the number of armature
The commutator pitch for simplex wave winding is equal to
In a dc motor the windage loss is proportional to
In a dc generator,the ripples in the direct emf generated are reduced by employing
Armature of a dc machine is made of
In electromechanical energy conversion devices(e.g. generators and motors),a small air gap is left between the stator and the rotor ignored to
4 pole generator with 16 coils has a two layer lap winding.The pole pitch is
Wave winding is composed of
Which of the following is not a part of dc machine?
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