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 inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ignited or auxiliary anode in mercury arc rectifier is made of Aluminium Copper Graphite Boron carbide Aluminium Copper Graphite Boron carbide ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier tube is evacuated an auxiliary electrode is used anode is heated low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used anode is heated low mercury vapour pressures are used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following anode drop, cathode drop and arc drop anode drop and arc drop cathode drop and arc drop anode drop and cathode drop anode drop, cathode drop and arc drop anode drop and arc drop cathode drop and arc drop anode drop and cathode drop 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 None of the listed here They do not require any voltage for filament heating They are mechanically strong Both of the listed here None of the listed here They do not require any voltage for filament heating They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
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