ELECTROLYSIS AND STORAGE BATTERIES QUIZ

Capacity of dry cells is

more when it is supplying current for continuous periods

more when it is supplying current for intermittent periods

unaffected by the type of discharge

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Specific gravity of electrolyte in Edison cell is

1.5

1.1

1.21

2.0

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following factors adversely affects the capacity of the leadacid battery ?

Specific gravity of electrolyte

Temperature of surroundings

Rate of discharge

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The open circuit voltage of any storage cell depends wholly upon

on the strength of its electrolyte

its chemical constituents

all of the listed here

its temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

In alkaline cell the electrolyte is

kOH

NaOH

concentrated sulphuric acid

dilute sulphuric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

The common impurity in the electrolyte of lead-acid battery is

lead crystals

chlorine

iron

dust particles

TRUE ANSWER : ?
YOUR ANSWER : ?

During charging the specific gravity of the electrolyte of a lead-acid battery

increases

decreases

none of the listed here

remains the same

TRUE ANSWER : ?
YOUR ANSWER : ?

On overcharging a battery

It will bring about chemical change in active materials

It will raise the specific gravity of the electrolyte

It will increase the capacity of the battery

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The current flow through electrolyte is due to the movement of

electrons

holes

ions

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

If a battery is wrongly connected on charge following will happen

current drawing will be very small

current delivered by the battery will be high

current drawing will be very high

current drawing will be nil

TRUE ANSWER : ?
YOUR ANSWER : ?