Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. shunt motor An induction motor A D.C. series motor A synchronous motor A D.C. shunt motor An induction motor A D.C. series motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 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 2 V to 3.5 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of graphite silver aluminium copper graphite silver aluminium copper ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a low power factor zero power factor high power factor None of the listed here low power factor zero power factor high power factor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used anode is heated low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used anode is heated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode electrons All of the listed here ions ions and electrons electrons All of the listed here ions ions and electrons ANSWER DOWNLOAD EXAMIANS APP