Rectifiers and Converters To produce cathode spot in a mercury arc rectifier 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 tube is evacuated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only r.m.s. value of current voltage only voltage and current current only r.m.s. value of current voltage only voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. capacitance leakage reactance resistance all of the listed here capacitance leakage reactance resistance all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because 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 Its atomic weight is quite high Its boiling point and specific heat are low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. none of the listed here any of the listed here decelerates accelerates none of the listed here any of the listed here decelerates accelerates ANSWER DOWNLOAD EXAMIANS APP
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