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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

active
dielectric
passive
insert

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Electrolysis and Storage Batteries
As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its

higher internal resistance
small quantity of electrolyte used
compactness
lower e.m.f.

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Electrolysis and Storage Batteries
The output voltage of a charger is

none of the listed here
the same as the battery voltage
less than the battery voltage
higher than the battery voltage

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Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

trickle charge
floating charge
two rate charge control
an equalizing charge

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Electrolysis and Storage Batteries
Over charging

all of the listed here
increases the temperature resulting in buckling of plates
produces excessive gassing
loosens the active material

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Electrolysis and Storage Batteries
Electrolyte used in a lead-acid cell is

only water
dilute H₂SO₄
only H₂SO₄
NaOH

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