Magnetic field in a D.C. generator is produced by

Related MCQs

• The losses occurring in a D.C. generator are given below. Which loss is likely to have highest proportion at rated load of the generator ?
• A separately excited generator as compared to a self-excited generator
• Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator ?
• Two generators A and B have 6-poles each. Generator A has wave wound armature while generator B has lap wound armature. The ratio of the induced e.m.f. is generatorA and B will be
• 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
• If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be
• The field coils of D.C. generator are usually made of
• Flashing the field of D.C. generator means
• In a D.C. generator in case the resistance of the field winding is increased, then output voltage will
• A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave