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If the voltage of a three phase induction motor if increased to 200%, then the slip if the machine changes to _________

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If the voltage of a three phase induction motor if increased to 200%, then the slip if the machine changes to _________

(a) 1/s

(b) s

(c) 1/2s

(d) 2*s

This question was addressed to me during a job interview.

The query is from Induction Motor Phasor Diagram in chapter Induction Machines of Electrical Machines

1 Answer

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Best answer
The correct answer is (c) 1/2s

The explanation: The slip will remain independent of the operating voltage.

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