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The concept of the slip is used in ___________

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The concept of the slip is used in  ___________

(a) Synchronous machine

(b) Induction machine

(c) DC machine

(d) Transformer

This question was posed to me in a national level competition.

The question is from Induction Motors topic in chapter Braking of DC Motors & Induction Motors of Electric Drives

1 Answer

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Best answer
The correct option is (b) Induction machine

To explain I would say: The slip in the Induction motor is s = Ns-Nr÷ Ns. The slip existence is due to the relative speed between the stator magnetic field and rotor.

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