Electrolysis and Storage Batteries Cells are connected in parallel to Increase the current capacity Increase the efficiency Increase the internal resistance Increase the voltage output Increase the current capacity Increase the efficiency Increase the internal resistance Increase the voltage output ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 90 to 95% 20 to 35% 80 to 85% 70 to 75% 90 to 95% 20 to 35% 80 to 85% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging and discharging of a nickel-iron cell its e.m.f. remains constant corrosive fumes are produced nickel hydroxide remains unsplit water is neither formed nor absorbed its e.m.f. remains constant corrosive fumes are produced nickel hydroxide remains unsplit water is neither formed nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Specific gravity of electrolyte in Edison cell is 1.21 2.0 1.5 1.1 1.21 2.0 1.5 1.1 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are 21% solution of kOH powdered iron and its oxide all of these nickel hydroxide 21% solution of kOH powdered iron and its oxide all of these nickel hydroxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following primary cells has the lowest voltage ? Lithium Mercury Carbon-zinc Zinc-chloride Lithium Mercury Carbon-zinc Zinc-chloride ANSWER DOWNLOAD EXAMIANS APP