Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 75°C 40°C 60°C 25°C 75°C 40°C 60°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. magnitude All of the listed here phase polarity magnitude All of the listed here phase polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 70 % 40 % 60 % 50 % 70 % 40 % 60 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor converter Rotary converter All of the listed here Motor generator set Motor converter Rotary converter All of the listed here Motor generator set ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of aluminium graphite silver copper aluminium graphite silver copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier an auxiliary electrode is used 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 ANSWER DOWNLOAD EXAMIANS APP