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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
During discharge, the active material of both the positive and negative plates is changed to

Pb
Pb02
PbS02
PbS04

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Electrolysis and Storage Batteries
Five 2 V cells are connected in parallel. The output voltage is

10 V
2 V
15 V
1.5 V

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Electrolysis and Storage Batteries
Which of the following primary cells has the highest voltage ?

Lithium
Mercury
Carbon-zinc
Manganese-alkaline

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Electrolysis and Storage Batteries
Charging a sulphated battery at high rate results in

damage to separators, cell caps covers and battery case due to excessive temperature
warping of plates
All of the listed here
boiling of electrolyte due to gassing

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Electrolysis and Storage Batteries
During charging the specific gravity of the electrolyte of a lead-acid battery

none of the listed here
remains the same
decreases
increases

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Electrolysis and Storage Batteries
The capacity of a battery is expressed in terms of

voltage rating
current rating
ampere-hour rating
none of the listed here

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