DC Generators In a dc machine, the number of commutator segment is equal to Numbers of conductors Twice the number of poles None of the listed here Number of coils Numbers of conductors Twice the number of poles None of the listed here Number of coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A rectifier A load None of the listed here An amplifier A rectifier A load None of the listed here An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here Weaknes the flux at the leading Strengthns the flux at the leading Weaknes the flux at the trailing None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Aluminum Silicon steel Soft iron Cast steel Aluminum Silicon steel Soft iron Cast steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 10 50 150 100 10 50 150 ANSWER DOWNLOAD EXAMIANS APP