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Conductors and Insulators

Conductors: Conductors are materials that allow electricity to flow through
them easily, like highways for electric
current. Metals such as copper, aluminium,

and gold are great conductors, which is why
they are used in electrical wires and circuits.

Example: The metal part of a plug is a

conductor that carries electricity from the
outlet to your device, helping it work.

Insulators: Insulators are materials that do not let electricity flow through
them easily, acting like walls that

block electricity. Common insulators
include rubber, plastic, and
Glass Plastic Ceramic
Rubber glass. They protect us by keeping

electricity in the right places.

Example: The plastic coating
Wood Fabric
around a wire is an insulator that
Wool Paper prevents you from getting shocked
Cork
when you touch the wire.

Introduction to Open and Closed Circuits

Closed Circuit: A closed circuit is like a complete loop
where electricity can travel all the way around without

any gaps. When the path is complete, electricity flows,
and things like lights, fans, or toys turn on and work
properly.

Example: Think of a flashlight. When you press the button, it closes the circuit,

allowing electricity from the battery to flow to the
bulb, making it light up.

Open Circuit: An open circuit has a break or gap in

the loop, which stops the flow of electricity. It’s like a
roadblock that doesn’t let the electricity continue its
journey, so the device won’t work.

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