The demagnetising component of armature reaction in a D.C. generator___________?

Related Mcqs:

The insulating material used between the commutator segments is normally_____________?

A. graphite B. paper C. mica D. insulating varnish...

The e.m.f. generated by a shunt wound D.C. generator isE. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be_______________?

A. E/2 B. 2E C. slightly less than E D. E...

D.C. series generator is used_________________?

A. to supply traction load B. to supply industrial load at constant voltage C. voltage at the toad end of the feeder D. for none of the above purpose...

Wave winding is composed of_______________?

A. any even number of conductors B. any odd number of conductors C. that even number which is exact multiple of poles + 2 D. that even number which is exact multiple of poles...

The essential condition for parallel operation of two D.C. generators is that they have ________________?

A. same kW rating B. the same operation r.p.m. C. the same drooping voltage characteristics D. same percentage regulation...