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Electrolysis and Storage Batteries

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

1.1
2.0
1.21
1.5

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

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

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Electrolysis and Storage Batteries
If a battery is wrongly connected on charge following will happen

current delivered by the battery will be high
current drawing will be very small
current drawing will be nil
current drawing will be very high

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Electrolysis and Storage Batteries
The e.m.f. of an Edison cell, when fully charged, is nearly

1.4 V
1.8 V
2.5 V
2.0 V

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Electrolysis and Storage Batteries
On overcharging a battery

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

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

None of the listed here
Remains same
Decreases
Increases

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