Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 200-100 V 600-800 V 1700-2000 V 1000-1200 V 200-100 V 600-800 V 1700-2000 V 1000-1200 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Telephones Time switches All of the listed here Relay Telephones Time switches All of the listed here Relay ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Electrolytic rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Electrolytic rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high temperature inside the rectifier high ionization potential self restoring property of mercury energy spent in overcoming the electrostatic field high temperature inside the rectifier high ionization potential self restoring property of mercury energy spent in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers have been used extensively in supplying direct current for electroplating? Mechanical rectifiers Copper oxide rectifiers Selenium rectifiers Mercury arc rectifiers Mechanical rectifiers Copper oxide rectifiers Selenium rectifiers Mercury arc rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards mercury pool shell bottom cathode anode mercury pool shell bottom cathode anode ANSWER DOWNLOAD EXAMIANS APP
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