In a glass bulb mercury arc rectifier the maximum current rating is restricted to___________?

Related Mcqs:

Which of the following is the loss within the mercury arc rectifier chamber ?

A. Voltage drop in arc B. Voltage drop at the anode C. Voltage drop at the cathode D. All of the above...

In phase-shift control method the control is carried out by varying the of grid voltage

A. magnitude B. polarity C. phase D. any of the above E. none of the above...

A mercury arc rectifier possesses __________ regulation characteristics

A. straight line B. curved line C. exponential D. none of the above...

The advantage of mercury arc rectifier is that________________?

A. it is light in weight and occupies small floor space B. it has high efficiency C. it has high overload capacity D. it is comparatively noiseless E. all of the above...

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...