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 almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Four Three Two Six Four Three Two Six ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies none of the listed here 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 0.05 V to 0.2 V per cm length of the arc none of the listed here 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 0.05 V to 0.2 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 30°C 75°C 45°C 55°C 30°C 75°C 45°C 55°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 75°C 60°C 40°C 25°C 75°C 60°C 40°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 30, 60 20, 30 75, 85 40, 50 30, 60 20, 30 75, 85 ANSWER DOWNLOAD EXAMIANS APP
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