Functions of commutator in d.c. machines are – McqOptions

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1.	Functions of commutator in d.c. machines are
A.	To facilitate the collection of current from armature conductors
B.	To convert internally developed induced emf to unidirectional emf
C.	To produce unidirectional torque in case of motors
D.	All of these
E.	None of these
Answer» E. None of these

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