The number of stator poles can be changed by (i) multiple stator winding, (ii) method of consequent poles (iii) pole amplitude modulation

In 3-Φ I.M. for a given torque, slip can be increased by decreasing the rotor resistance.

In 3-Φ I.M., reduction in the supply voltage will reduce the motor torque

Induction motor is not much used as generator because it require/s more

Which of the following is not the mode in the Torque Slip Characteristics of Three Phase I.M

If the rotor resistance of an induction motor is doubled, keeping the other parameters constant, then the maximum torque of the induction motor will become

The value of slip for motoring, generating and braking region respectively are

The curve obtained by plotting torque against slip from s=1 to s=0 is called torque slip characteristics. The nature of the graph in the low slip region and in the high slip region is

For maximum torque, the only parameter which controls the torque is slip. The maximum torque is

Slip of a induction motor will be zero