Q. The sparking at the brushes in the D.C generator is attributed to

  • (A) Quick reversal of current in the coil under commutation
  • (B) High resistance of the brushes
  • (C) Reactance voltage
  • (D) Armature reaction
✅ Correct Answer: (C) Reactance voltage

Published by Ram Sharma ⭐ 193.88K Points at 27-Jan-2022 10:46 am in Physics

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