What is free electron? Explain conducting & non conducting materials in terms of it.
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During the formation of metallic materials, the electrons that are loosely bound to the nucleus are separated from their parent atoms and move in random manner. These are known as free electrons.
Materials which have plenty of free electrons are capable of conducting electricity and are called conducting materials. Example: Metals like copper, silver etc.
Materials which do not have free electrons are not capable of conducting electricity are called non-conducting materials. Example: Rubber, glass, plastic etc.
Materials which have plenty of free electrons are capable of conducting electricity and are called conducting materials. Example: Metals like copper, silver etc.
Materials which do not have free electrons are not capable of conducting electricity are called non-conducting materials. Example: Rubber, glass, plastic etc.
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The flow of free electrons in a material is called an electric current. The moving free electrons will transmit electric current from one point to other. Materials which contain free electrons will conduct electric current. Materials which does not contain free electrons does not conduct electric current.
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