Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to colour of mercury electron streams high temperature ionization colour of mercury electron streams high temperature ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers give poor regulation 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 60°C 75°C 25°C 40°C 60°C 75°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 in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase All of the listed here polarity magnitude phase All of the listed here polarity magnitude ANSWER DOWNLOAD EXAMIANS APP
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