Rectifiers and Converters The ionization potential of mercury is approximately 16.4 V None of the listed here 10.4 V 5.4 V 16.4 V None of the listed here 10.4 V 5.4 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Electrolysis Illumination Variable speed operation Traction Electrolysis Illumination Variable speed operation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent 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 Which of the following mercury arc rectifier will deliver least undulating current? Two-phase Three-phase Single-phase Six-phase Two-phase Three-phase Single-phase Six-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 30 V 100 V 20 V 10 V 30 V 100 V 20 V ANSWER DOWNLOAD EXAMIANS APP