In a mercury arc rectifier positive ions are attracted towards______________?

Related Mcqs:

The ignited or auxiliary anode in mercury arc rectifier is made of____________?

A. graphite B. boron carbide C. aluminium D. copper...

Which of the following rectifiers are primarily used for charging of low voltage batteries from AC supply ?

A. Mechanical rectifiers B. Copper oxide rectifiers C. Selenium rectifiers D. Electrolytic rectifiers E. Mercury arc rectifiers...

The efficiency of an electrolytic rectifier is nearly____________?

A. 80% B. 70% C. 60% D. 40%...

The ionization potential of mercury is approximately_____________?

A. 5.4 V B. 8.4 V C. 10.4 V D. 16.4 V...

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...