Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages 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 In a mercury pool rectifier, the voltage drop across its electrodes is directly proportional to load varies exponentially with the load current is inversely proportional to load is almost independent of load current is directly proportional to load varies exponentially with the load current is inversely proportional to load is almost independent of load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? All of the listed here Telephones Relay Time switches All of the listed here Telephones Relay Time switches ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to ionization high temperature colour of mercury electron streams ionization high temperature colour of mercury electron streams ANSWER DOWNLOAD EXAMIANS APP
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