DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 0.005 mm 5 m 0.05 mm 0.5 m 0.005 mm 5 m 0.05 mm 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 lubricates and polishes the commutator Carbon is cheap None of the listed here Contact resistance is decreased Carbon lubricates and polishes the commutator Carbon is cheap None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 2 4 8 6 2 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Copper Carbon Mica Cast iron Copper Carbon Mica Cast iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Both electrical and magnetic fields Electric field Magnetic field None of the listed here Both electrical and magnetic fields Electric field Magnetic field ANSWER DOWNLOAD EXAMIANS APP
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