Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 30 V 100 V 10 V 20 V 30 V 100 V 10 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization expenditure of energy in liberating electrons from the mercury surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization expenditure of energy in liberating electrons from the mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 75, 85 20, 30 30, 60 40, 50 75, 85 20, 30 30, 60 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of copper graphite aluminium silver copper graphite aluminium silver ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches Relay All of the listed here Telephones Time switches Relay All of the listed here Telephones ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to ionization electron streams colour of mercury high temperature ionization electron streams colour of mercury high temperature ANSWER DOWNLOAD EXAMIANS APP