Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be None of the listed here Remain same More Less None of the listed here Remain same More Less ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction The rectifier will not operate Internal losses will be reduced The rectifier will operate at reduced efficiency Both ion and electron streams will move in the same direction The rectifier will not operate Internal losses will be reduced ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 75, 85 20, 30 30, 60 40, 50 75, 85 20, 30 30, 60 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of aluminium silver copper graphite aluminium silver copper graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 0.05 V to 0.2 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to expenditure of energy in ionization surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in liberating electrons from the mercury expenditure of energy in ionization surface resistance expenditure of energy in overcoming the electrostatic field expenditure of energy in liberating electrons from the mercury ANSWER DOWNLOAD EXAMIANS APP
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