The counter (or back) emf in a dc machine is ___

The counter (or back) emf in a dc machine is

  1. the same as generated emf in a dc motor
  2. proportional to field flux and armature speed
  3. not the same as generated emf in a dc motor
  4. inversely proportional to field flux
  5. proportional to number of armature conductors
  6. constant from no load to full load

From these, the correct answer is

A. 1, 2, 5
B. 2, 4, 5, 6
C. 2, 3, 6
D. 3, 4, 5

Show Answer

Answer: A

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