Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode All of the listed here electrons ions and electrons ions All of the listed here electrons ions and electrons ions ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used an auxiliary electrode is used tube is evacuated anode is heated low mercury vapour pressures are used an auxiliary electrode is used tube is evacuated anode is heated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 16.4 V 5.4 V None of the listed here 10.4 V 16.4 V 5.4 V None of the listed here 10.4 V 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 The metal rectifiers, as compared to mercury arc rectifiers give poor regulation can operate on high voltages operate on low temperatures can operate on heavy loads give poor regulation can operate on high voltages operate on low temperatures can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Motor converters Rectifiers All of the listed here Rotary converters Motor converters Rectifiers All of the listed here Rotary converters ANSWER DOWNLOAD EXAMIANS APP