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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Dry cell is modification of

Leclanche cell
Edison cell
Lead-acid cell
Deniell cell

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Electrolysis and Storage Batteries
The effect of sulphation is that the internal resistance

increases
none of the listed here
decreases
remains same

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Electrolysis and Storage Batteries
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

just one
always less than one
always greater than one
none of the listed here

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Electrolysis and Storage Batteries
48 ampere-hour capacity would deliver a current of

6 amperes for 8 hours
24 amperes for 2 hours
8 amperes for 6 hours
48 amperes for 1 hour

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Electrolysis and Storage Batteries
Internal short circuits are caused by

none of the listed here
excess accumulation of sediment at the bottom of the cell
breakdown of one or more separators
both of the options given here

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Electrolysis and Storage Batteries
The substances which combine together to store electrical energy during the charge are called ______ materials

passive
active
insert
dielectric

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