The applications of selenium rectifiers are usually limited to potential of_____________?

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...

A rotary converter combines the function of____________?

A. an induction motor and a D.C. generator B. a synchronous motor and a D.C. generator C. a D.C. series motor and a D.C. generator D. none of the above...