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The main function of the commutator in a simple d.c. motor is to ____________

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The main function of the commutator in a simple d.c. motor is to ____________

A. enable the armature to rotate freely
B. increase the flux linking the armature windings
C. maintain a direct current in the armature
D. provide uniform magnetic field around the armature
E. reverse the direction of the current in the armature.




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