Question: A 3 - phase, 4 - pole, 5 0 - H z induction motor runs at a speed of 1 4 4 0 r .

A 3-phase, 4-pole, 50-Hz induction motor runs at a speed of 1440 r.p.m. The rotating field produced by the rotor rotates at a speed of
q, r.p.m. with respect to the rotor.
(a)1500
(b)1440
(c)60
(d)0.
A 3 - phase, 4 - pole, 5 0 - H z induction motor

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