Two three phase induction motors A and B are identical in all respects except that motor A has a larger air-gap than motor B. Which motor will have more no load current?
A)a
B)b
C)both a and b
D)neither a nor b

Question

Quizplus · Accepted Answer

A larger air-gap in an induction motor increases the magnetizing reactance, requiring more current to establish the magnetic field, hence motor A will have more no-load current.

Two Three Phase Induction Motors a and B Are Identical