Electrical Machine Design

_____ brushes are fragile and cause excessive wear of commutator

  • A. Natural graphite
  • B. Hard carbon
  • C. Electro graphitic
  • D. Metal graphite
Answer: Option A.
Explanation:

No answer description available for this question.

Leave a Reply

Your email address will not be published.

Back to top button
error: Alert: Content is protected !!