The cathdde voltage drop, in a mercury arc rectifier, is due to_____________?

Related Mcqs:

The efficiency of the copper oxide rectifier seldom exceeds____________?

A. 90 to 95% B. 85 to 90% C. 80 to 85% D. 65 to 75%...

It is the_________of the transformer on which the magnitude of angle of overlap depends?

A. resistance B. capacitance C. leakage reactance D. any of the above...

To produce cathode spot in a mercury arc rectifier______________?

A. anode is heated B. tube is evacuated C. an auxiliary electrode is used D. low mercury vapour pressures are used...

In a mercury arc rectifier positive ions are attracted towards______________?

A. anode B. cathode C. shell bottom D. mercury pool...

Which of the following are the applications of D.C. system ?

A. Battery charging work B. Arc welding C. Electrolytic and electro-chemical processes D. Arc lamps for search lights E. All of the above...