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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The ampere-hour efficiency of a leadacid cell is normally between

20 to 35%
80 to 85%
90 to 95%
70 to 75%

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Electrolysis and Storage Batteries
The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

2
3
5
4

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Electrolysis and Storage Batteries
In alkaline cell the electrolyte is

NaOH
dilute sulphuric acid
kOH
concentrated sulphuric acid

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Electrolysis and Storage Batteries
In constant voltage charging method, the charging current from discharged to fully charged condition

Remains same
None of the listed here
Increases
Decreases

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Electrolysis and Storage Batteries
A constant-voltage generator has

low internal resistance
minimum current capacity
high internal resistance
minimum efficiency

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

increases
decreases
none of the listed here
remains the same

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