Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature electron streams colour of mercury ionization high temperature electron streams colour of mercury ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent None of the listed here 5 to 10 per cent 25 to 30 per cent 15 to 20 per cent None of the listed here 5 to 10 per cent 25 to 30 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its ionization potential is relatively low Its atomic weight is quite high Its boiling point and specific heat are low All of the listed here Its ionization potential is relatively low Its atomic weight is quite high Its boiling point and specific heat are low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load is almost independent of load current varies exponentially with the load current is directly proportional to load is inversely proportional to load is almost independent of load current varies exponentially with the load current is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 1500 A 200 A 500 A 2000 A 1500 A 200 A 500 A 2000 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 30 V 20 V 100 V 10 V 30 V 20 V 100 V ANSWER DOWNLOAD EXAMIANS APP
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