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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

none of the listed here
just one
always greater than one
always less than one

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Electrolysis and Storage Batteries
A constant-voltage generator has

minimum efficiency
high internal resistance
low internal resistance
minimum current capacity

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Electrolysis and Storage Batteries
Internal resistance of a cell is reduced by

using vent plug to permit gas formed during discharge
increasing the plate area
all of the listed here
putting plates very close together

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Electrolysis and Storage Batteries
Negative plate of an Edison cell is made of

lead
iron
copper
silver oxide

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Electrolysis and Storage Batteries
Dry cell is modification of

Lead-acid cell
Edison cell
Deniell cell
Leclanche cell

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Electrolysis and Storage Batteries
Undercharging

Produces excessive gassing
Reduces specific gravity of the electrolyte
Increases the temperature
Increases specific gravity of the electrolyte

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