Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on r.m.s. value of current voltage only current only voltage and current r.m.s. value of current voltage only current only voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 40°C 75°C 60°C 25°C 40°C 75°C 60°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Boron carbide Aluminium Copper Graphite Boron carbide Aluminium Copper Graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Slip ring induction motor Squirrel cage induction motor Synchronous motor Any of the listed here Slip ring induction motor Squirrel cage induction motor Synchronous motor Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V None of the listed here 16.4 V 10.4 V 5.4 V None of the listed here 16.4 V 10.4 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load ANSWER DOWNLOAD EXAMIANS APP