A. Natural graphite B. Hard carbon C. Electro graphitic D. Metal graphite
Home/Electrical Engineering (MCQs)/Electrical Machine Design/_____ brushes are fragile and cause excessive wear of commutator 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. Show AnswerDiscussion
