CELL AND BATTERIES - Quiz

1) What happen to the terminal voltage of a cell if load increases?

Increases Decreases Falls to zero Remains same

2) How local action defect is prevented in voltaic cell?

By connecting cells in series By using a depolarizing agent By connecting cells in parallel By amalgamating the zinc plate

3) What does the letter Z indicate in the formula M=Z/it

Time in seconds E.C.E of electrolyte Amount of current in Amp Mass deposited in grams

4) What is the Electro Chemical Equivalent (ECE) of copper?

0.329 mg / coulomb 0.329 g/ coulomb 1.1182 mg / coulomb 1.1182 g/ coulomb

5) Which is the cause for buckling defect in lead acid battery?

Overcharging or over discharging Charging with low rate for short period Formation of sediments falling from the plate Battery is kept in discharged condition for long period