Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on r.m.s. value of current current only voltage only voltage and current r.m.s. value of current current only voltage only voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation operate on low temperatures can operate on heavy loads can operate on high voltages give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its boiling point and specific heat are low All of the listed here Its ionization potential is relatively low Its atomic weight is quite high Its boiling point and specific heat are low All of the listed here Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature ionization electron streams colour of mercury high temperature ionization electron streams colour of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to energy spent in overcoming the electrostatic field high temperature inside the rectifier high ionization potential self restoring property of mercury energy spent in overcoming the electrostatic field high temperature inside the rectifier high ionization potential self restoring property of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following AC. motors is usually used in large motor-generator sets? Synchronous motor Squirrel cage induction motor Slip ring induction motor Any of the listed here Synchronous motor Squirrel cage induction motor Slip ring induction motor Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS