Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics exponential straight line curved line none of the listed here exponential straight line curved line none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only 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 non of the listed here all of the listed here critical grid voltage maximum grid voltage non of the listed here all of the listed here critical grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to self restoring property of mercury high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle Two-third of a cycle One-fourth of a cycle One-third of a cycle One-half a cycle Two-third of a cycle One-fourth of a cycle One-third of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 30 V 20 V 10 V 100 V 30 V 20 V 10 V 100 V ANSWER DOWNLOAD EXAMIANS APP
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