Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 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 all of the listed here critical grid voltage non of the listed here maximum grid voltage all of the listed here critical grid voltage non of the listed here maximum grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters It is the_______of the transformer on which the magnitude of angle of overlap depends. capacitance all of the listed here leakage reactance resistance capacitance all of the listed here leakage reactance resistance ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 300 A at 300 V 400 A at 400 V 500 A at 500 V 100 A at 100 V 300 A at 300 V 400 A at 400 V 500 A at 500 V 100 A at 100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. series motor An induction motor A D.C. shunt motor A synchronous motor A D.C. series motor An induction motor A D.C. shunt motor A synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters 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. none of the listed here decelerates accelerates any of the listed here none of the listed here decelerates accelerates any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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