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 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by An induction motor A synchronous motor A D.C. series motor A D.C. shunt motor An induction motor A synchronous motor A D.C. series motor A D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on voltage only r.m.s. value of current voltage and current current only voltage only r.m.s. value of current voltage and current current only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 70 % 60 % 40 % 50 % 70 % 60 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is reversible in action? Motor generator set Motor converter Rotary converter All of the listed here Motor generator set Motor converter Rotary converter All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? Battery charging work Electrolytic and electro-chemical processes Arc welding All of the listed here Battery charging work Electrolytic and electro-chemical processes Arc welding All of the listed here ANSWER DOWNLOAD EXAMIANS APP