Home→ Rectifiers and Converters →In a three-phase mercury arc rectifiers each anode conducts for____________?

In a mercury arc rectifier________ flow from anode to cathode
A mercury arc rectifier possesses __________ regulation characteristics
In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode.
On which of the following factors the number of phases for which a rectifier should be designed depend ?
It is the_________of the transformer on which the magnitude of angle of overlap depends?
In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of__________?
In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as__________?
Which of the following statement is incorrect ?
In phase-shift control method the control is carried out by varying the of grid voltage
The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ?
Copper oxide rectifier is usually designed not to operate above__________?
Ageing of a selenium rectifier may change the output voltage by__________?
The efficiency of the copper oxide rectifier seldom exceeds__________?
Selenium rectifier can be operated at temperatures as high as__________?
The applications of selenium rectifiers are usually limited to potential of__________?
In selenium rectifiers efficiencies ranging from ___ to _______ percent are attainable?
A commutating rectifier consists of commutator driven by__________?
In a mercury arc rectifier, the anode is usually made of__________?
Which of the following rectifiers have been used extensively in supplying direct current for electroplating ?
Which of the following is the loss within the mercury arc rectifier chamber ?
Which of the following rectifiers are primarily used for charging of low voltage batteries from AC supply ?
The efficiency of an electrolytic rectifier is nearly__________?
The ignited or auxiliary anode in mercury arc rectifier is made of__________?

In a three-phase mercury arc rectifiers each anode conducts for____________?

A. one-third of a cycle
B. one-fourth of a cycle
C. one-half a cycle
D. two-third of a cycle

Correct Answer: one-third of a cycle ✔

Last Updated: December 17, 2018