Electrolysis and Storage Batteries During the charging of a lead-acid cell its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases it gives out energy its cathode becomes dark chocolate brown in colour specific gravity of H₂SO₄ decreases its voltage increases it gives out energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Capacity of dry cells is unaffected by the type of discharge None of these more when it is supplying current for intermittent periods more when it is supplying current for continuous periods unaffected by the type of discharge None of these more when it is supplying current for intermittent periods more when it is supplying current for continuous periods ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which among the following constitutes the major load for an automobile battery ? Brake light Spark plugs Self starter Parking lights Brake light Spark plugs Self starter Parking lights ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following two parts H2O, two parts H₂SO₄ three parts H2O, one part H₂SO₄ one part H2O, three parts H₂SO₄ all H₂SO₄ two parts H2O, two parts H₂SO₄ three parts H2O, one part H₂SO₄ one part H2O, three parts H₂SO₄ all H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Cells are connected in series in order to None of the listed here increase the life of the cells increase the current rating increase the voltage rating None of the listed here increase the life of the cells increase the current rating increase the voltage rating ANSWER DOWNLOAD EXAMIANS APP