Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 20, 30 30, 60 40, 50 75, 85 20, 30 30, 60 40, 50 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature electron streams colour of mercury ionization high temperature electron streams colour of mercury ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode ions electrons All of the listed here ions and electrons ions electrons All of the listed here ions and electrons ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 1700-2000 V 200-100 V 600-800 V 1000-1200 V 1700-2000 V 200-100 V 600-800 V 1000-1200 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards anode cathode mercury pool shell bottom anode cathode mercury pool shell bottom ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on high voltages give poor regulation operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation operate on low temperatures can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
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