DC Generators In lap winding, the number of brushes is always Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted None of the listed here Weakend only Distorted only Weakened as well as distorted None of the listed here Weakend only Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 2 8 4 6 2 8 4 6 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 halved Be quadrupled Be doubled Remain the same Be halved Be quadrupled Be doubled ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
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