Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell its e.m.f. remains constant water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit its e.m.f. remains constant water is neither formed nor absorbed corrosive fumes are produced nickel hydroxide remains unsplit ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its higher internal resistance lower e.m.f. compactness small quantity of electrolyte used higher internal resistance lower e.m.f. compactness small quantity of electrolyte used ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Local action in a battery is indicated by excessive drop in the specific gravity of electrolyte even when the cell is on open circuit none of the listed here both of the listed here excessive gassing under load conditions excessive drop in the specific gravity of electrolyte even when the cell is on open circuit none of the listed here both of the listed here excessive gassing under load conditions ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are all of these powdered iron and its oxide 21% solution of kOH nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH nickel hydroxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On the average the ampere-hour efficiency of an Edison cell is about 0.7 0.6 0.8 0.4 0.7 0.6 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When a lead-acid battery is in fully charged condition, the color of its positive plate is none of the listed here brown dark brown dark grey none of the listed here brown dark brown dark grey ANSWER DOWNLOAD EXAMIANS APP