In a D.C. generator the ripples in the direct e.m.f. generated are reduced by

Related MCQs

• 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 shunt generator running at 1000 r.p.m. has generated e.m.f. as 200 V. If thespeed increases to 1200 r.p.m., the generated e.m.f. will be nearly
• Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator ?
• 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
• 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 in a D.C. generator is directly proportional to
• Which of the following losses are significantly reduced by laminating the core of a D.C. generator ?
• In a D.C. generator all of the following could be the effects of iron losses except
• Which of the following loss in a D.C. generator varies significantly with the load current ?