Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? In the output circuit there should be no harmonics The power factor of the system should be high The voltage regulation of the rectifier should be low All of the listed here In the output circuit there should be no harmonics The power factor of the system should be high The voltage regulation of the rectifier should be low All of the listed here 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 expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization surface resistance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high temperature inside the rectifier high ionization potential self restoring property of mercury energy spent in overcoming the electrostatic field high temperature inside the rectifier high ionization potential self restoring property of mercury energy spent in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 70 % 40 % 50 % 60 % 70 % 40 % 50 % 60 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 45°C 30°C 55°C 75°C 45°C 30°C 55°C 75°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP