Physics · Electromagnetism and Electrical Machines
Which of the following statements about the losses in a DC motor is INCORRECT?
- 1Brush losses form a part of mechanical losses.✓
- 2Stray load losses are produced due to the distortion of the air gap flux caused by armature reaction.
- 3The no-load rotational loss is made up of iron loss and mechanical loss.
- 4In series motors, the field ohmic loss forms a part of the armature circuit loss.
Correct answer
Brush losses form a part of mechanical losses.
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