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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
The following indicate that battery on charge has attained full charge

colour of electrode
gassing
all of these
specific gravity

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Electrolysis and Storage Batteries
48 ampere-hour capacity would deliver a current of

8 amperes for 6 hours
48 amperes for 1 hour
24 amperes for 2 hours
6 amperes for 8 hours

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Electrolysis and Storage Batteries
The active materials on the positive and negative plates of a fully charged lead-acid battery are

None of these
lead sulphate and lead
lead and lead peroxide
lead peroxide and lead

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

lead
copper
silver oxide
iron

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Electrolysis and Storage Batteries
A constant-voltage generator has

minimum efficiency
minimum current capacity
low internal resistance
high internal resistance

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

All of these
Density of electrolyte
Rate of discharge
Temperature

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