Rectifiers and Converters When a rectifier is loaded which of the following voltage drops take place ? All of the listed here Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance All of the listed here Arc voltage drop Voltage drop in resistance of transformer and smoothing chokes Voltage drop in transformer reactance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only voltage and current current only r.m.s. value of current voltage only voltage and current current only r.m.s. value of current 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 They do not require any voltage for filament heating None of the listed here They are mechanically strong Both of the listed here They do not require any voltage for filament heating None of the listed here They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high ionization potential high temperature inside the rectifier self restoring property of mercury energy spent in overcoming the electrostatic field high ionization potential high temperature inside the rectifier self restoring property of mercury energy spent in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be More Less Remain same None of the listed here More Less Remain same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with one armature and one field two armatures and one field one armature and two fields none of the listed here one armature and one field two armatures and one field one armature and two fields none of the listed here ANSWER DOWNLOAD EXAMIANS APP