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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The capacity of a lead-acid cell depends on

Density of electrolyte
Rate of discharge
All of these
Temperature

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

dilute sulphuric acid
kOH
concentrated sulphuric acid
NaOH

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Electrolysis and Storage Batteries
Specific gravity of electrolyte in Edison cell is

1.5
1.1
1.21
2.0

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Electrolysis and Storage Batteries
Batteries are charged by

motor generator sets
engine generator sets
rectifiers
any one of the listed here

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Electrolysis and Storage Batteries
On the average the ampere-hour efficiency of an Edison cell is about

0.4
0.7
0.6
0.8

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Electrolysis and Storage Batteries
During the charging of a lead-acid cell

specific gravity of H₂SO₄ decreases
its voltage increases
its cathode becomes dark chocolate brown in colour
it gives out energy

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