Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 90 to 95% 85 to 90% 65 to 75% 80 to 85% 90 to 95% 85 to 90% 65 to 75% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 20, 30 40, 50 30, 60 75, 85 20, 30 40, 50 30, 60 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Boron carbide Graphite Aluminium Copper Boron carbide Graphite Aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Six Two Three Four Six Two Three Four ANSWER DOWNLOAD EXAMIANS APP