In a commutator
A. copper is harder than mica
B. mica and copper are equally hard
C. mica is harder than copper
D. none of the above
Show Answer
Answer: C
Share your understanding of this question with the correct explanation.
In a commutator
A. copper is harder than mica
B. mica and copper are equally hard
C. mica is harder than copper
D. none of the above
Answer: C
Share your understanding of this question with the correct explanation.