Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier anode is heated tube is evacuated an auxiliary electrode is used low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used low mercury vapour pressures are used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 85 to 90% 90 to 95% 80 to 85% 65 to 75% 85 to 90% 90 to 95% 80 to 85% 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
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 2000 A 500 A 200 A 1500 A 2000 A 500 A 200 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches Telephones Relay All of the listed here Time switches Telephones Relay All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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