During the charging and discharging of a nickel-iron cell
A. corrosive fumes are produced
B. water is neither formed nor absorbed
C. nickel hydroxide remains unsplit
D. its e.m.f. remains constant
Answer: Option B
This Question Belongs to Electrical Engineering >> Electrolysis And Storage Of Batteries
A. charged state
B. discharged state
C. both (A) and (B)
D. active state
During charging the specific gravity of the electrolyte of a lead-acid battery
A. increases
B. decreases
C. remains the same
D. becomes zero
While preparing electrolyte for a lead-acid battery
A. water is poured into acid
B. acid is poured into water
C. anyone of the two can be added to other chemical
D. none of the above
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is
A. just one
B. always greater than one
C. always less than one
D. none of the above
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