9. If a 3-phasor induction motor and a 1-phase induction motor of the same

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9. If a 3-phasor induction motor and a 1-phase induction motor of the same kW rating and same winding voltage are compared, then

Options:

A . both will be of same size and efficiency

B . the 3-phase induction motor will be bigger in size and less efficient

C . the 3-phase induction motor will be smaller in size and more efficient

D . the 3-phase induction motor will be bigger in size and more efficient

Answer: Option C

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