Insertion of resistance in the stator of an induction motor___________?

Related Mcqs:

A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. will be____________?

A. 200 Hz B. 50 Hz C. 2 Hz D. 0.2 Hz...

The good power factor of an induction motor can be achieved if the average flux density in the air gap is___________?

A. absent B. small C. large D. infinity...

In three-phase squirrel-cage induction motors____________?

A. rotor conductor ends are short-circuited through slip rings B. rotor conductors are short-circuited through end rings C. rotor conductors are kept open D. rotor conductors are connected to insulation...

The speed characteristics of an induction motor closely resemble the speedload characteristics of which of the following machines?

A. D.C. series motor B. D.C. shunt motor C. universal motor D. none of the above...

Insertion of resistance in the rotor of an induction motor to develop a given torque?

A. decreases the rotor current B. increases the rotor current C. rotor current becomes zero D. rotor current rernains same...