Electrolysis and Storage Batteries Excessive formation of lead sulphate on the surface of the plates happens because of low level of electrolyte all of the listed here allowing a battery to stand in discharged condition for a long time persistent undercharging low level of electrolyte all of the listed here allowing a battery to stand in discharged condition for a long time persistent undercharging ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In constant voltage charging method, the charging current from discharged to fully charged condition Decreases Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Five 2 V cells are connected in parallel. The output voltage is 2 V 10 V 15 V 1.5 V 2 V 10 V 15 V 1.5 V ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries When two batteries are connected in parallel, it should be ensured that they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance they have same make they have same ampere-hour capacity they have same e.m.f. they have identical internal resistance they have same make ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries During the charging of a lead-acid cell specific gravity of H₂SO₄ decreases its voltage increases its cathode becomes dark chocolate brown in colour it gives out energy specific gravity of H₂SO₄ decreases its voltage increases its cathode becomes dark chocolate brown in colour it gives out energy ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In a battery cover is placed over the element and sealed to the top of the battery container. This is done None of the listed here Both of the listed here to reduce evaporation of water from electrolyte to exclude dirt and foreign matter from the electrolyte None of the listed here Both of the listed here to reduce evaporation of water from electrolyte to exclude dirt and foreign matter from the electrolyte ANSWER DOWNLOAD EXAMIANS APP
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