Rectifiers and Converters To produce cathode spot in a mercury arc rectifier an auxiliary electrode is used anode is heated low mercury vapour pressures are used tube is evacuated an auxiliary electrode is used anode is heated low mercury vapour pressures are used tube is evacuated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following anode drop and arc drop anode drop and cathode drop cathode drop and arc drop anode drop, cathode drop and arc drop anode drop and arc drop anode drop and cathode drop cathode drop and arc drop anode drop, cathode drop and arc drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters All of the listed here Rectifiers Motor converters Rotary converters All of the listed here Rectifiers Motor converters ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to ionization electron streams colour of mercury high temperature ionization electron streams colour of mercury high temperature ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters 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 maximum grid voltage critical grid voltage all of the listed here non of the listed here maximum grid voltage critical grid voltage all of the listed here non of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 70 % 50 % 40 % 60 % 70 % 50 % 40 % ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS