Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are 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 partly a.c. and partly d.c. d.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode 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 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 high ionization potential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 5 to 10 per cent 25 to 30 per cent 15 to 20 per cent None of the listed here 5 to 10 per cent 25 to 30 per cent 15 to 20 per cent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies none of the listed here 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS