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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
_______ of electrolyte indicates the state of charge of the battery

specific gravity
colour
mass
viscosity

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Electrolysis and Storage Batteries
The specific gravity of electrolyte is measured by

manometer
a mechanical gauge
hydrometer
psychrometer

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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

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

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Electrolysis and Storage Batteries
It is noticed that durum charging

all of these
energy is absorbed by the cell
there is a rise in voltage
the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)

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Electrolysis and Storage Batteries
During the charging and discharging of a nickel-iron cell

water is neither formed nor absorbed
nickel hydroxide remains unsplit
corrosive fumes are produced
its e.m.f. remains constant

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