Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 70 % 50 % 60 % 40 % 70 % 50 % 60 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high ionization potential energy spent in overcoming the electrostatic field self restoring property of mercury high temperature inside the rectifier high ionization potential energy spent in overcoming the electrostatic field self restoring property of mercury high temperature inside the rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics none of the listed here exponential straight line curved line none of the listed here exponential straight line curved line ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from D.C. side as D.C. motor All of the listed here by means of a small auxiliary motor from A.C. side as induction motor from D.C. side as D.C. motor All of the listed here by means of a small auxiliary motor from A.C. side as induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of silver aluminium copper graphite silver aluminium copper graphite ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They do not require any voltage for filament heating They are mechanically strong None of the listed here Both of the listed here They do not require any voltage for filament heating They are mechanically strong None of the listed here Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
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