Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 1500 A 2000 A 200 A 500 A 1500 A 2000 A 200 A 500 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 40°C 60°C 25°C 75°C 40°C 60°C 25°C 75°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it is comparatively noiseless it has high efficiency All of the listed here it is light in weight and occupies small floor space it is comparatively noiseless it has high efficiency All of the listed here it is light in weight and occupies small floor space ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They do not require any voltage for filament heating None of the listed here Both of the listed here They are mechanically strong They do not require any voltage for filament heating None of the listed here Both of the listed here They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because 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 Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP
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