Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to electron streams colour of mercury ionization high temperature electron streams colour of mercury ionization high temperature ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Six-phase Two-phase Single-phase Three-phase Six-phase Two-phase Single-phase Three-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here 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 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 anode drop, cathode drop and arc drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current voltage only r.m.s. value of current current only voltage and current voltage only r.m.s. value of current 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 All of the listed here Its boiling point and specific heat are low Its ionization potential is relatively low Its atomic weight is quite high All of the listed here Its boiling point and specific heat are low ANSWER DOWNLOAD EXAMIANS APP