A. nickel-cadmium battery
B. zinc-carbon battery
C. lead-acid battery
D. none of the above
The storage battery generally used in electric power station is__________? Read More »
Electrolysis and Storage of Batteries A. its voltage increases
B. it gives out energy
C. its cathode becomes dark chocolate brown in colour
D. specific gravity of H2SO4 decreases
During the charging of a lead-acid cell__________? Read More »
Electrolysis and Storage of Batteries A. lead and lead peroxide
B. lead sulphate and lead
C. lead peroxide and lead
D. none of the above
A. temperature
B. rate of charge
C. rate of discharge
D. quantity of active material
The capacity of a lead-acid cell does not depend on its___________? Read More »
Electrolysis and Storage of Batteries A. time
B. Faraday’s
C. Boltzman
A. dark grey
B. brown
C. dark brown
D. none of above
A. Newton’s law
B. Faraday’s law of electromagnetic
C. Faraday’s law of electrolysis
D. Gauss’s law
A. increases
B. decreases
C. remains the same
D. becomes zero
During charging the specific gravity of the electrolyte of a lead-acid battery Read More »
Electrolysis and Storage of Batteries A. nickel hydroxide
B. powdered iron and its oxide
C. 21% solution of KOH
D. all of the above
The active materials of a nickel-iron battery are___________? Read More »
Electrolysis and Storage of Batteries