Slip of an induction motor is negative when
A. magnetic field and rotor rotate in opposite direction
B. rotor speed is less than the synchronous speed of the field and are in the same direction
C. rotor speed is more than the synchronous speed of the field and are in the same direction
D. none of the above
Answer:C
Slip of an induction motor is negative when
A. magnetic field and rotor rotate in opposite direction B. rotor speed is less than the synchronous speed of the field and are in the same direction C. rotor speed is more than the synchronous speed of the field and are in the same direction D. none of the above