Electrolysis and Storage Batteries Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent short-circuiting prevent corrosion prevent local heating reduce path resistance prevent short-circuiting prevent corrosion prevent local heating ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its small quantity of electrolyte used lower e.m.f. higher internal resistance compactness small quantity of electrolyte used lower e.m.f. higher internal resistance compactness ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following battery is used for aircraft ? Silver oxide battery Dry cell battery Nickel-iron battery Lead-acid battery Silver oxide battery Dry cell battery Nickel-iron battery Lead-acid battery ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following has lower sp. gravity V Dilute H₂SO₄ Water All of the listed here Concentrated H₂SO₄ Dilute H₂SO₄ Water All of the listed here Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries Which of the following cell has a reversible chemical reaction ? Carbon-zinc Lead-acid Silver-oxide Mercury oxide Carbon-zinc Lead-acid Silver-oxide Mercury oxide ANSWER DOWNLOAD EXAMIANS APP
Electrolysis and Storage Batteries The active materials of a nickel-iron battery are powdered iron and its oxide 21% solution of kOH nickel hydroxide all of these powdered iron and its oxide 21% solution of kOH nickel hydroxide all of these ANSWER DOWNLOAD EXAMIANS APP