ISRO Electrical Engineering (EE) 2023 - Question 4

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The ratio of starting torque to running torque in a synchronous motor is

  • A. 0
  • B. 1
  • C. 2
  • D. infinity

Answer: A. 0

Explanation: A synchronous motor develops no starting torque, so the ratio of starting torque to running torque is 0.

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