Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of aluminium copper silver graphite aluminium copper silver graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 16.4 V 10.4 V 5.4 V None of the listed here 16.4 V 10.4 V 5.4 V None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 75°C 60°C 25°C 40°C 75°C 60°C 25°C 40°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop at the anode All of the listed here Voltage drop at the cathode Voltage drop in arc Voltage drop at the anode All of the listed here Voltage drop at the cathode Voltage drop in arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by None of the listed here 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V 100 A at 100 V 400 A at 400 V 500 A at 500 V 300 A at 300 V ANSWER DOWNLOAD EXAMIANS APP