When the voltage applied to a synchronous motor is increased, which of the following will reduce?

Related Mcqs:

When V is the applied voltage, then the breakdown torque of a synchronous motor varies as_________?

A. V B. V312 C. V2 D. 1/V...

Which of the following motors is non-self starting ?

A. D.C. series motor B. synchronous motor C. Squirrel cage induction motor D. Wound round induction motor...

The power factor of a synchronous motor is better than that of induction motor because

A. stator supply is relieved of responsibility of producing magnetic field B. mechanical load on the motor can be adjusted C. synchronous motor runs at synchronous speed D. synchronous motor has large air gap...

The working of a synchronous motor is similar to_____________?

A. gear train arrangement B. transmission of mechanical power by shaft C. distribution transformer D. turbine E. none of the above...

In a 3-phase synchronous motor, the negative phase sequence exists when the motor is_______________?

A. supplied with unbalanced voltage B. under-loaded C. over-loaded D. none of the above...