Question

-- state the main
difference between conductor
and and an insultor.​

Answer 1

Those objects that allows electricity and

heat to pass through them are known as conductors.

Those objects that do not allow electricity and heat to pass through them is called insulators.

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Answer 2

$\to$Levels of conductivity are the main difference between conductors, semiconductors and insulators. Conductors display high conductivity, which means they allow energy, such as electricity, heat or sound, to easily flow through them. Whereas semiconductors allow a moderate flow and insulators exhibit low conductivity.