DC Generators The commutator of a dc generator acts as An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load A rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency Equal to electrical efficiency None of the listed here More than electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Reluctance Flux density Ampere turns Resistance Reluctance Flux density Ampere turns Resistance 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 halved Be quadrupled Remain the same Be doubled Be halved Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 2 V 10 V 0.1 V 20 V 2 V 10 V 0.1 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field ANSWER DOWNLOAD EXAMIANS APP
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