Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 40 % 60 % 50 % 70 % 40 % 60 % 50 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Copper oxide rectifiers Selenium rectifiers Electrolytic rectifiers Mechanical rectifiers Copper oxide rectifiers Selenium rectifiers Electrolytic rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier anode is heated low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used anode is heated low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 2000 A 500 A 1500 A 200 A 2000 A 500 A 1500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor generator set Rotary converter Motor converter All of the listed here Motor generator set Rotary converter Motor converter All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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