Consider the following statements with regards to an induction motor:
1. Maximum torque is independent of rotor resistance.
2. Starting torque is maximum when rotor resistance equals rotor reactance.
3. Torque is very sensitive to any changes in supply voltage.
Which of the above statements are correct?1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3