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    Design of Electrical Machines
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    Exam 4: Design and Operation of DC Machines
  5. Question
    Which of the Following Brushes Can Be Used for High
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Which of the Following Brushes Can Be Used for High

Question 24

Question 24

Multiple Choice

Which of the following brushes can be used for high values of current density ?


A) Metal graphite brushes
B) Hard carbon brushes
C) Electro-graphitic brushes
D) Natural graphite brushes

Correct Answer:

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