7 views
asked by
The function of carbon brush and commutator arrangement in a d.c. motor is (a) to produce unidirectional torque. (b) to produce unidirectional current in the armature. (c) to help in changing the direction of rotation. (d) to reduce sparking. 

Please log in or register to answer this question.

Welcome to Q&A site for electrical and electronics engineering discussion for diploma, B.E./B.Tech, M.E./M.Tech, & PhD study.
If you have a new question please ask in English.
If you want to help this community answer these questions.

...