Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 70 % 40 % 50 % 60 % 70 % 40 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Synchronous motor Synchronous generator Shunt motor Induction regulator Synchronous motor Synchronous generator Shunt motor Induction regulator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to expenditure of energy in ionization surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 16.4 V 10.4 V None of the listed here 5.4 V 16.4 V 10.4 V None of the listed here 5.4 V ANSWER DOWNLOAD EXAMIANS APP
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 In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load is almost independent of load current varies exponentially with the load current is directly proportional to load is inversely proportional to load is almost independent of load current varies exponentially with the load current is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP