Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only voltage and current current only r.m.s. value of current voltage only voltage and current current only r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Aluminium Graphite Boron carbide Copper Aluminium Graphite Boron carbide Copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? Both of the listed here They do not require any voltage for filament heating None of the listed here They are mechanically strong Both of the listed here They do not require any voltage for filament heating None of the listed here They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics straight line curved line none of the listed here exponential straight line curved line none of the listed here exponential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. decelerates accelerates none of the listed here any of the listed here decelerates accelerates none of the listed here any of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS