Question

Why does electric current flows only in these metals in which electrons are able to move freely

Answer 1

HeYa

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• When an electric current flows in a conductor, it flows as a drift of free electrons in the metal.
• Electricity flows easily through a conductor because the electrons are free to move around in the object.
• Whenever there is a movement of electrons through a conductor, an electric current is created.

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Answer 2

An electrical insulator is a material in which the electron does not flow freely or the atom of the insulator have tightly bound electrons whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.