Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Selenium rectifiers Copper oxide rectifiers Electrolytic rectifiers Mechanical rectifiers Selenium rectifiers Copper oxide rectifiers Electrolytic rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 85 to 90% 65 to 75% 90 to 95% 80 to 85% 85 to 90% 65 to 75% 90 to 95% 80 to 85% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be More Remain same Less None of the listed here More Remain same Less None 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 500 A 2000 A 1500 A 200 A 500 A 2000 A 1500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 100 V 20 V 30 V 10 V 100 V 20 V 30 V 10 V ANSWER DOWNLOAD EXAMIANS APP
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