Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of silver copper graphite aluminium silver copper graphite aluminium ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 2000 A 500 A 1500 A 200 A 2000 A 500 A 1500 A 200 A ANSWER DOWNLOAD EXAMIANS APP
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 2 V to 3.5 V per cm length of the arc none of the listed here 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 2 V to 3.5 V per cm length of the arc none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Glass rectifiers are usually made into units capable of D.C. output (maximum continuous rating) of 500 A at 500 V 100 A at 100 V 400 A at 400 V 300 A at 300 V 500 A at 500 V 100 A at 100 V 400 A at 400 V 300 A at 300 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent 25 to 30 per cent 5 to 10 per cent None of the listed here 15 to 20 per cent 25 to 30 per cent 5 to 10 per cent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS