DC MACHINES MCQS

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Plain un-notched slots or slots without wedge portion are used only for low capacity machines In this case the coils are restricted from coming out of the slot

The wedge-shaped segments are insulated from each other with the help of thin layers MICA 5 Each Commutator segment is connected to the armature conductor by It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine Two or more electrical contacts called brushes

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