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Electrolysis and Storage Batteries

Electrolysis and Storage Batteries
Self charge of a Ni-Fe cell is _____ Edison cell.

Less than
More than
Equal to
Much more than

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Electrolysis and Storage Batteries
The storage battery generally used in electric power station is

lead-acid battery
zinc-carbon battery
nickel-cadmium battery
none of the listed here

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Electrolysis and Storage Batteries
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is

none of the listed here
always greater than one
always less than one
just one

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Electrolysis and Storage Batteries
Batteries are charged by

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

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

iron
copper
lead
silver oxide

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Electrolysis and Storage Batteries
It is noticed that durum charging

the anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb)
there is a rise in voltage
all of these
energy is absorbed by the cell

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