DC Generators In a four-pole D.C. machine All the four poles are north poles Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Same as the number of poles Half the number of poles Double the number of poles Two Same as the number of poles Half the number of poles Double the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Remain the same Be doubled Be quadrupled Be halved Remain the same Be doubled Be quadrupled Be halved ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Hydrobola Parabola Straight line None of the listed here Hydrobola Parabola Straight line None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under interpolar region Lie under South Pole Are farthest from the poles Lie under North Pole Lie under interpolar region Lie under South Pole Are farthest from the poles Lie under North Pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 800 1600 3200 100 800 1600 3200 100 ANSWER DOWNLOAD EXAMIANS APP