Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature colour of mercury electron streams ionization high temperature colour of mercury electron streams ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Motor converter Mercury arc rectifier Rotary converter Motor-generator set Motor converter Mercury arc rectifier Rotary converter Motor-generator set ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 60°C 25°C 40°C 75°C 60°C 25°C 40°C 75°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage and current r.m.s. value of current voltage only current only voltage and current r.m.s. value of current voltage only current only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Copper Graphite Boron carbide Aluminium Copper Graphite Boron carbide Aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to expenditure of energy in overcoming the electrostatic field expenditure of energy in liberating electrons from the mercury surface resistance expenditure of energy in ionization expenditure of energy in overcoming the electrostatic field expenditure of energy in liberating electrons from the mercury surface resistance expenditure of energy in ionization ANSWER DOWNLOAD EXAMIANS APP