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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Which of the following has lower sp. gravity V

Water
Concentrated H₂SO₄
Dilute H₂SO₄
All of the listed here

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Electrolysis and Storage Batteries
Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.

active
all
passive
redundant

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Electrolysis and Storage Batteries
Trickle charging of a storage battery helps to

keep it fresh and fully charged
increase its reserve capacity
prevent sulphation
maintain proper electrolyte level

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Electrolysis and Storage Batteries
Five 2 V cells are connected in parallel. The output voltage is

2 V
1.5 V
10 V
15 V

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Electrolysis and Storage Batteries
Extent of corrosion in the underground metal work depends upon

type of soil chemicals
all of these
amount of moisture
type of metals

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Electrolysis and Storage Batteries
Capacity of dry cells is

more when it is supplying current for continuous periods
None of these
unaffected by the type of discharge
more when it is supplying current for intermittent periods

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