Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent local heating prevent corrosion prevent short-circuiting reduce path resistance prevent local heating prevent corrosion prevent short-circuiting ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The watt-hour efficiency of a lead-acid cell varies between 90 to 95% 40 to 60% 25 to 35% 70 to 80% 90 to 95% 40 to 60% 25 to 35% 70 to 80% ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Electrolyte used in a lead-acid cell is only H₂SO₄ only water dilute H₂SO₄ NaOH only H₂SO₄ only water dilute H₂SO₄ NaOH 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 identical internal resistance they have same ampere-hour capacity they have same e.m.f. they have same make they have identical internal resistance they have same ampere-hour capacity they have same e.m.f. ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The effect of sulphation is that the internal resistance decreases remains same increases none of the listed here decreases remains same increases none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries In constant voltage charging method, the charging current from discharged to fully charged condition None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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