Q. Sparking is discouraged in a DC motor.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
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✅ Correct Answer: (B) false
Explanation: sparking at brushes and commutator segments lead to damage of commutators, which is the main distinguishable component in a dc machine. so, it is advisable to fasten the commutation speed and avoid sparking.

Published by Mr. Dubey ⭐ 104.85K Points at 17-Sep-2023 11:28 am in Electrical Drives and Controls (EDC)

Explanation by: Mr. Dubey
sparking at brushes and commutator segments lead to damage of commutators, which is the main distinguishable component in a dc machine. so, it is advisable to fasten the commutation speed and avoid sparking.

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