railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Three Phase Induction Motor Induction Motor Slip
Choose the INCORRECT statement regarding rotor construction in a 3-phase induction motor:
1
Better speed control in wound type rotor.
2
Cage rotor requires lesser maintenance than wound type rotor.
3
Efficiency and power factor of cage motor is higher than wound type rotor.
4
Low starting torque in wound type rotor.