A D.C. generator can be considered as____________?

Related Mcqs:

In case of D.C. machines, mechanical losses are primary function of____________?

A. current B. voltage C. speed D. none of above...

If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be________________?

A. demagnetisation only B. cross magnetisation as well as mag¬netisation C. crossmagnetisation as well as demagnetising D. cross magnetisation only...

The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be_____________?

A. 640 V B. 620 V C. 600 V D. 580 V...

The voltage drop for which of the following types of brush can be expected to be least ?

A. Graphite brushes B. Carbon brushes C. Metal graphite brushes D. None of the above...

Armature reaction in a generator results in_____________?

A. demagnetisation of leading pole tip and magnetisation of trailing pole tip B. demagnetisation of trailing pole tip and magnetisation of leading pole tip C. damagnetising the center of all poles D. magnetising the center of all poles...