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    Engineering
  3. Study Set
    Electrical Machine 1
  4. Exam
    Exam 8: D.C Motors and Speed Control
  5. Question
    Sparking, Is Discouraged in a D.C. Motor Because
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Sparking, Is Discouraged in a D.C. Motor Because

Question 14

Question 14

Multiple Choice

Sparking, is discouraged in a D.C. motor because


A) it increases the input power con-sumption
B) commutator gets damaged
C) both (a) and (b)
D) none of the above

Correct Answer:

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