PHYSICS ELECTRICITY QUIz

how does an electric cell work?

• from chemicals stored inside it.

• from water which is electrocuted inside it.

• it does nothing.

• with sand inside it.

what materials are commonly used in electric cells?

• wood and metal.

• lead and acid.

• glass and plastic.

• water and salt.

what is the primary function of an electric cell?

• to store energy.

• to generate heat.

• to filter air.

• to produce light.

which type of electric cell is rechargeable?

• lithium-ion cell.

• mercury cell.

• carbon-zinc cell.

• alkaline cell.

what is the voltage output of a typical AA battery?

• 12 volts.

• 9 volts.

• 6 volts.

• 1.5 volts.

which component is essential for the functioning of an electric cell?

• an electrolyte.

• a diode.

• a resistor.

• a capacitor.

what happens to an electric cell when it is overcharged?

• it becomes more efficient.

• it generates more voltage.

• it lasts longer.

• it can explode.

what is the main disadvantage of using non-rechargeable batteries?

• they are more expensive.

• they are lighter.

• they cannot be reused.

• they have a longer shelf life.

which chemical reaction occurs in a typical alkaline battery?

• neutralization reaction.

• decomposition reaction.

• combustion reaction.

• oxidation-reduction reaction.

what is the purpose of a separator in an electric cell?

• to store energy.

• to prevent short-circuiting.

• to cool the cell.

• to increase voltage.