Why conductors allow electric current to pass through them and insulators don't?

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Solution

Conductors have free electrons, which start moving when connected to a battery. Hence they conduct electricity.

Insulators, on the other hand, don't have free electrons and hence can't conduct electricity.

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Similar questions

Statement 1: Poor conductors do not allow electric current to flow through them.

Statement 2: Poor conductors do not allow electric current to flow through them easily.

Materials which do not allow electric current to flow through them are known as insulators.

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