Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 2 V to 3.5 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 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 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 0.05 V to 0.2 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to self restoring property of mercury high ionization potential high temperature inside the rectifier energy spent in overcoming the electrostatic field self restoring property of mercury high ionization potential high temperature inside the rectifier energy spent in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 30 V 100 V 20 V 10 V 30 V 100 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 40 % 50 % 70 % 60 % 40 % 50 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Arc welding All of the listed here Electrolytic and electro-chemical processes Battery charging work Arc welding All of the listed here Electrolytic and electro-chemical processes Battery charging work ANSWER DOWNLOAD EXAMIANS APP
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