2nd October 2019

enotes
15

Why is glass not a good conductor of heat?

Glass is actually an insulator. It doesn't allow the flow of electrons easily from atom to atom, as seen in substances like copper, and other metals which are excellent conductors of both heat and electricity. Glass is not a good thermal conductor as metals are. But it is a good thermal insulator.

Why Glass does not conduct electricity?

Glass is a bad conductor of electricity because it does not allow electrons and electric charge to flow freely, where it thereby makes the flow of electric current even more difficult. It is an electric insulator, one of the best actually and is used in very high voltage circuits to isolate the electric charge.
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