What accounts for the difference in properties we see in Conductors versus Insul

Question

What accounts for the difference in properties we see in Conductors versus Insulators?

A) We don't know.

B) How freely positive and negative charges can move within the materials.

C) How freely the positive charges can move in the materials.

D) How freely the negative charges can move in the materials.

A) We don't know.

B) How freely positive and negative charges can move within the materials.

C) How freely the positive charges can move in the materials.

D) How freely the negative charges can move in the materials.

Explanation / Answer

In conductors, we have plenty of electrons that can move freely in the materials while in insulators there are very few such free electrons. Thus, when a potential difference is created across conductors, electrons begin to move and conduct the electricity which is not the case with insulators due to lesser number of free electrons. Thus, option (D) is the correct option.

Hope this helps.

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