Nam Khem village destroyed by the Tsunami

What is the primary function of a battery?

• To create light

• To produce sound

• To generate heat

• To store electrical energy

Which component is essential for a battery to work?

• Electrolyte

• Resistor

• Conductor

• Insulator

How does a battery release energy?

• Through a chemical reaction

• Through sound waves

• By absorbing sunlight

• By mechanical movement

In which of the following devices would you typically find a battery?

• Television

• Refrigerator

• Washing machine

• Smartphone

Why are batteries important in portable electronics?

• They are reusable

• They are expensive

• They provide a stable power source

• They are lightweight