Rectifiers and Converters In a rotary converter armature currents are d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 40°C 25°C 60°C 75°C 40°C 25°C 60°C 75°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 80 to 85% 85 to 90% 90 to 95% 65 to 75% 80 to 85% 85 to 90% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 40 % 50 % 60 % 70 % 40 % 50 % 60 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 500 A at 500 V 100 A at 100 V 300 A at 300 V 400 A at 400 V 500 A at 500 V 100 A at 100 V 300 A at 300 V 400 A at 400 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 30 V 100 V 20 V 10 V 30 V 100 V 20 V ANSWER DOWNLOAD EXAMIANS APP
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