Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 40 % 60 % 70 % 50 % 40 % 60 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier 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 low mercury vapour pressures are used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor converter All of the listed here Motor generator set Rotary converter Motor converter All of the listed here Motor generator set Rotary converter ANSWER DOWNLOAD EXAMIANS APP
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