The slip of an induction motor when the rotor turns at synchronous speed is [Electrical Engineering MCQ]

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The slip of an induction motor when the rotor turns at synchronous speed is:

  1. 0
  2. 0.25
  3. 0.5
  4. 1

Correct answer: 1. 0

Explanation:

The formula for slip of induction motor is:

When the rotor turns at sync speed

ηsync = ηm

& Slip = (ηsync = ηm )/ηsync = 0

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