Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to colour of mercury ionization high temperature electron streams colour of mercury ionization high temperature electron streams ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier anode is heated tube is evacuated low mercury vapour pressures are used an auxiliary electrode is used anode is heated tube is evacuated low mercury vapour pressures are used an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to expenditure of energy in liberating electrons from the mercury surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization expenditure of energy in liberating electrons from the mercury surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of silver graphite copper aluminium silver graphite copper aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance All of the listed here Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 45°C 55°C 30°C 75°C 45°C 55°C 30°C 75°C ANSWER DOWNLOAD EXAMIANS APP
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