Related Questions

The e.m.f. generated by a shunt wound D.C. generator is E. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be
A $$\frac{{\text{E}}}{2}$$
B 2E
C Slightly less than E
D E
A separately excited generator as compared to a self-excited generator
A Is amenable to better voltage control
B Is more stable
C Has exciting current independent of load current
D Has all above features
Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator?
A Dummy coils
B Commutator
C Eye bolt
D Equalizer rings
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 Hysteresis loss
B Field copper loss
C Armature copper loss
D Eddy current loss
Which energy generated in a turbine is used to run electric power generator linked to the turbine shaft?
A mechanic energy
B kinetic energy
C potential energy
D elastic energy
An Electric generator is based on which of the following scientific principles?
A Faraday's law of Electromagnetic Induction
B Super Conductivity
C Laws of Thermodynamics
D Newton's Law of Motion
Electric tram was invented by?
A Fyodor Pirotsky
B Arthur Pitney
C Fritz Pfleumer
D Stephen Perry
Electric chair was invented by
A Alfred P. Southwick
B Isaac Singer
C Murasaki Shikibu
D Hanaoka Seish
Who invented the electric tram?
A James Cook
B William Harvey
C Fyodor Pirotsky
D Robert Boyles
Who invented the electric bulb?
A Thomas More
B Thomas Alva Edison
C James Watt
D None

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