Electrolysis and Storage Batteries During the charging of a lead-acid cell specific gravity of H₂SO₄ decreases its cathode becomes dark chocolate brown in colour it gives out energy its voltage increases specific gravity of H₂SO₄ decreases its cathode becomes dark chocolate brown in colour it gives out energy its voltage increases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries A typical output of a solar cell is 1.1 V 1.5 V 0.26 V 0.5 V 1.1 V 1.5 V 0.26 V 0.5 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Mercury cell has which of the following characteristics? High power to weight ratio Flat discharge current-voltage curve Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these High power to weight ratio Flat discharge current-voltage curve Comparatively longer shelf life under adverse conditions of high temperature and humidity All of these ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same make they have same e.m.f. they have identical internal resistance they have same ampere-hour capacity they have same make they have same e.m.f. they have identical internal resistance they have same ampere-hour capacity ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries On the average the ampere-hour efficiency of an Edison cell is about 0.7 0.4 0.8 0.6 0.7 0.4 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state. 2.4 2.5 2.0 2.8 2.4 2.5 2.0 2.8 ANSWER DOWNLOAD EXAMIANS APP