![Excessive sparking at the brushes may be caused due to](https://www.gkseries.com/blog/wp-content/uploads/2022/02/Excessive-sparking-at-the-brushes-may-be-caused-due-to.png)
Q. Excessive sparking at the brushes may be caused due to
A. Unequal Space
B. Dirt in commutator
C. Overload
D. All of the above
Answer: All of the above
A. Unequal Space
B. Dirt in commutator
C. Overload
D. All of the above
Answer: All of the above
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