Rectifiers and Converters With a motor converter it is possible to obtain D.C. voltage only upto 600-800 V 1700-2000 V 200-100 V 1000-1200 V 600-800 V 1700-2000 V 200-100 V 1000-1200 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 25 to 30 per cent 15 to 20 per cent None of the listed here 5 to 10 per cent 25 to 30 per cent 15 to 20 per cent None of the listed here 5 to 10 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on heavy loads 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of silver copper aluminium graphite silver copper aluminium graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop anode drop and arc drop cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and cathode drop anode drop and arc drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier tube is evacuated low mercury vapour pressures are used anode is heated an auxiliary electrode is used tube is evacuated low mercury vapour pressures are used anode is heated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
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