Q.The most efficient torque-producing actuating structure for induction-type relays is 

  • AShaded pole structure
  • BWatt-hour meter structure
  • CInduction-cup structure
  • DSingle induction loop structure
Correct Answer : (C)

Induction-cup structure

Hints :

The most efficient torque-producing actuating structure for induction-type relays is Induction-cup structure.

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