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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The capacity of a lead-acid cell depends on

Temperature
Density of electrolyte
All of these
Rate of discharge

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Electrolysis and Storage Batteries
Weston standard cell at 20°C has voltage of ____ volts.

1.5
1.2
1.0187
0.8

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Electrolysis and Storage Batteries
Which of the following battery is used for aircraft ?

Dry cell battery
Silver oxide battery
Nickel-iron battery
Lead-acid battery

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Electrolysis and Storage Batteries
In a lead-acid cell, lead is called as

negative active material
None of the listed here
passive material
positive active material

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Electrolysis and Storage Batteries
When two batteries are connected in parallel, it should be ensured that

they have same ampere-hour capacity
they have identical internal resistance
they have same e.m.f.
they have same make

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Electrolysis and Storage Batteries
The e.m.f. of an Edison cell, when fully charged, is nearly

1.8 V
2.0 V
1.4 V
2.5 V

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