Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only voltage and current r.m.s. value of current current only voltage only voltage and current r.m.s. value of current current only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 600-800 V 1000-1200 V 1700-2000 V 200-100 V 600-800 V 1000-1200 V 1700-2000 V 200-100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. resistance capacitance leakage reactance all of the listed here resistance capacitance leakage reactance all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 20, 30 40, 50 75, 85 30, 60 20, 30 40, 50 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Motor converters Rectifiers All of the listed here Rotary converters Motor converters Rectifiers All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide Aluminium Graphite Copper Boron carbide Aluminium Graphite Copper ANSWER DOWNLOAD EXAMIANS APP