If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will_________?

Related Mcqs:

According to Fleming’s left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of_________________?

A. current in the conductor aovtaat of conductor C. resultant force on conductor D. none of the above...

Which D.C. motor has got maximum self loading property?

A. Series motor B. Shunt motor C. Cumulatively compounded ‘motor D. Differentially compounded motor...

Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be_____________?

A. level compounded B. under compounded C. cumulatively compounded D. differentially compounded...

In a D.C. generator all of the following could be the effects of iron losses except___________?

A. Loss of efficiency B. Excessive heating of core C. Increase in terminal voltage D. Rise in temperature of ventilating air...

Which method of braking is generally used in elevators ?

A. Plugging B. Regenerative braking C. Rheostatic braking D. None of the above...