What will happen if the relative speed between the rotating flux of stator and rotor of the induction motor is zero ?
Correct answer: B. The rotor will not run
- A. The slip of the motor will be 5%
- B. The rotor will not run
- C. The rotor will run at very high speed
- D. The torque produced will be very large
Explanation
Zero relative speed means zero slip, so no rotor EMF or rotor current is induced and no electromagnetic torque is produced. Thus the motor cannot continue driving a load as an induction motor, which is the intended meaning of option b.
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