A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of r – McqOptions

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1.	A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. will be
A.	200 Hz
B.	50 Hz
C.	2 Hz
D.	0.2 Hz
Answer» D. 0.2 Hz

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