Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 70 % 50 % 40 % 60 % 70 % 50 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Voltage drop in transformer reactance Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop All of the listed here Voltage drop in transformer reactance Voltage drop in resistance of transformer and smoothing chokes Arc voltage drop All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation can operate on heavy loads can operate on high voltages operate on low temperatures give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards anode mercury pool cathode shell bottom anode mercury pool cathode shell bottom ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a None of the listed here high power factor low power factor zero power factor None of the listed here high power factor low power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers ANSWER DOWNLOAD EXAMIANS APP
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