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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The substances which combine together to store electrical energy during the charge are called ______ materials

passive
active
insert
dielectric

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Electrolysis and Storage Batteries
The average charging voltage for alkali cell is about

1 V
1.2 V
2.1 V
1.7 V

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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
The storage battery generally used in electric power station is

zinc-carbon battery
nickel-cadmium battery
lead-acid battery
none of the listed here

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Electrolysis and Storage Batteries
In order that a hydrometer may float vertically in electrolyte its C.G. should be

lowered
undisturbed
raised
displaced sideways

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Electrolysis and Storage Batteries
Which of the following factors adversely affects the capacity of the leadacid battery ?

Rate of discharge
All of these
Temperature of surroundings
Specific gravity of electrolyte

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