Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode All of the listed here ions and electrons electrons ions All of the listed here ions and electrons electrons ions ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. any of the listed here accelerates none of the listed here decelerates any of the listed here accelerates none of the listed here decelerates ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 75, 85 20, 30 40, 50 30, 60 75, 85 20, 30 40, 50 30, 60 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be Remain same More Less None of the listed here Remain same More Less None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? All of the listed here Voltage drop in arc Voltage drop at the anode Voltage drop at the cathode All of the listed here Voltage drop in arc Voltage drop at the anode Voltage drop at the cathode ANSWER DOWNLOAD EXAMIANS APP