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Electrolysis and Storage Batteries

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

lead
silver oxide
copper
iron

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Electrolysis and Storage Batteries
Batteries are charged by

engine generator sets
motor generator sets
rectifiers
any one of the listed here

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

Concentrated H₂SO₄
All of the listed here
Water
Dilute H₂SO₄

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Electrolysis and Storage Batteries
If a lead-acid cell is discharged below 1.8 V the following will happen.

All of the listed here
Internal resistance will increase
Capacity of cell will reduce
Sulphation of plates will occur

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Electrolysis and Storage Batteries
The internal resistance of a lead-acid cell is that of Edison cell

Equal to
More than
Less than
None 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.

all
passive
redundant
active

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