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1. Conductors and Insulators

2. Conductors
 Materials which allow current to flow through
them are called conductors
 Conductors have free electrons on their surface
in order to conduct current from one element of
the circuit to another
 Silver, Aluminium and Copper are some examples
of conductor

3. Applications of Conductors
 Used in electrical circuits and boards
 In wiring of electric networks for current
transmission
 Mercury a liquid conductor is used in
thermometer to check temperature of the body

4. Insulators
 Materials which don’t allow electricity to pass
through them are called insulators
 Insulators are also called non-conducting material
and don’t have free electrons

5. Applications of Insulators
 Insulators are widely used in electric boards and
circuits to ensure safety methods
 Insulators help in protecting materials from heat
and electricity
 Rubber and Plastics are of great use in
manufacturing of everyday products

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