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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state.

2.4
2.0
2.8
2.5

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Electrolysis and Storage Batteries
Which of the following primary cells has the lowest voltage ?

Mercury
Zinc-chloride
Carbon-zinc
Lithium

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Electrolysis and Storage Batteries
Satellite power requirement is provided through

solar cells
nickel-cadmium cells
dry cells
lead-acid batteries

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Electrolysis and Storage Batteries
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of

Both of the listed here
avoiding excessive gassing
increasing cell capacity
reducing time of charging

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Electrolysis and Storage Batteries
The current flow through electrolyte is due to the movement of

holes
ions
electrons
None of these

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

0.7
0.4
0.8
0.6

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