Rectifiers and Converters If cathode and anode connections in a mercury arc rectifier are inter changed The rectifier will not operate Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency The rectifier will not operate Internal losses will be reduced Both ion and electron streams will move in the same direction The rectifier will operate at reduced efficiency ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. magnitude polarity phase All of the listed here magnitude polarity phase All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards mercury pool anode shell bottom cathode mercury pool anode shell bottom cathode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only r.m.s. value of current voltage and current current only voltage only r.m.s. value of current voltage and current current only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 400 A at 400 V 100 A at 100 V 500 A at 500 V 300 A at 300 V 400 A at 400 V 100 A at 100 V 500 A at 500 V 300 A at 300 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS