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Electrolysis and Storage Batteries

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
redundant
all
passive

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Electrolysis and Storage Batteries
Local action in a battery is indicated by

none of the listed here
excessive drop in the specific gravity of electrolyte even when the cell is on open circuit
excessive gassing under load conditions
both of the listed here

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Electrolysis and Storage Batteries
In ______ system the charging current is intermittently controlled at either a maximum or minimum value

an equalizing charge
two rate charge control
floating charge
trickle charge

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Electrolysis and Storage Batteries
The current flow through electrolyte is due to the movement of

ions
holes
electrons
None of these

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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
When the lead-acid cell is fully charged, the electrolyte assumes _____ appearance

milky
reddish
bright
dull

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