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:C
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