Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to expenditure of energy in liberating electrons from the mercury expenditure of energy in ionization expenditure of energy in overcoming the electrostatic field surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in ionization expenditure of energy in overcoming the electrostatic field surface resistance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong Both of the listed here They do not require any voltage for filament heating None of the listed here They are mechanically strong Both of the listed here They do not require any voltage for filament heating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode anode mercury pool shell bottom cathode anode mercury pool shell bottom ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 60 % 70 % 40 % 50 % 60 % 70 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed The rectifier will not operate The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction Internal losses will be reduced The rectifier will not operate The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction Internal losses will be reduced ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 45°C 30°C 75°C 55°C 45°C 30°C 75°C 55°C ANSWER DOWNLOAD EXAMIANS APP
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