In the squirrel-cage induction motor the rotor slots are usually given slight skew________?
Ato reduce the magnetic hum and locking tendency of the rotor
Bnone of the above
Cto increase the tensile strength of the rotor bars
Dto ensure easy fabrication
Correct answer
A. to reduce the magnetic hum and locking tendency of the rotor
Explanation
The correct answer is to reduce the magnetic hum and locking tendency of the rotor.