Electrolysis and Storage Batteries The ampere-hour efficiency of a leadacid cell is normally between 80 to 85% 90 to 95% 70 to 75% 20 to 35% 80 to 85% 90 to 95% 70 to 75% 20 to 35% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following one part H2O, three parts H₂SO₄ all H₂SO₄ three parts H2O, one part H₂SO₄ two parts H2O, two parts H₂SO₄ one part H2O, three parts H₂SO₄ all H₂SO₄ three parts H2O, one part H₂SO₄ two parts H2O, two parts H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell specific gravity of H₂SO₄ decreases it gives out energy its cathode becomes dark chocolate brown in colour its voltage increases specific gravity of H₂SO₄ decreases it gives out energy its cathode becomes dark chocolate brown in colour its voltage increases ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The average charging voltage for alkali cell is about 1 V 1.7 V 1.2 V 2.1 V 1 V 1.7 V 1.2 V 2.1 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same e.m.f. they have same ampere-hour capacity they have identical internal resistance they have same make they have same e.m.f. they have same ampere-hour capacity they have identical internal resistance they have same make ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Cells are connected in series in order to increase the voltage rating increase the current rating None of the listed here increase the life of the cells increase the voltage rating increase the current rating None of the listed here increase the life of the cells ANSWER DOWNLOAD EXAMIANS APP
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