Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 75°C 25°C 60°C 40°C 75°C 25°C 60°C 40°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Rectifiers Motor converters All of the listed here Rotary converters Rectifiers Motor converters All of the listed here 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 In a mercury pool rectifier, the voltage drop across its electrodes 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 is inversely proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 100 V 10 V 30 V 20 V 100 V 10 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 20, 30 75, 85 30, 60 40, 50 20, 30 75, 85 30, 60 ANSWER DOWNLOAD EXAMIANS APP