Electrolysis and Storage Batteries Weston standard cell at 20°C has voltage of ____ volts. 1.5 0.8 1.2 1.0187 1.5 0.8 1.2 1.0187 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On the average the ampere-hour efficiency of an Edison cell is about 0.4 0.7 0.6 0.8 0.4 0.7 0.6 0.8 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 70 to 80% 40 to 60% 25 to 35% 90 to 95% 70 to 80% 40 to 60% 25 to 35% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The substances which combine together to store electrical energy during the charge are called ______ materials insert active passive dielectric insert active passive dielectric ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During discharge, the active material of both the positive and negative plates is changed to PbS04 Pb02 Pb PbS02 PbS04 Pb02 Pb PbS02 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
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