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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Lead-acid cell has a life of nearly charges and discharges

1250
1000
700
500

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Electrolysis and Storage Batteries
On overcharging a battery

It will increase the capacity of the battery
It will raise the specific gravity of the electrolyte
None of these
It will bring about chemical change in active materials

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

0.7
0.8
0.6
0.4

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Electrolysis and Storage Batteries
Cells are connected in parallel to

Increase the voltage output
Increase the efficiency
Increase the current capacity
Increase the internal resistance

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Electrolysis and Storage Batteries
The output voltage of a charger is

the same as the battery voltage
less than the battery voltage
higher than the battery voltage
none of the listed here

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Electrolysis and Storage Batteries
Dry cell is modification of

Edison cell
Leclanche cell
Deniell cell
Lead-acid cell

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