STUDYPOINTXYZ

Classification of substances Current is defined as the flow of electrons in any material. We come across so many substances but some substances conduct electricity and some do not conduct electricity. The examples of the substances which do not conduct electricity are as follows: Rubber Glass Wood Distilled Water The substances which conduct electricity are computer, refrigerator, oven, television, laptop, music system etc. These are all electric appliances.  Top We can classify the substances on the basis whether they allow current to pass or not. These are as follows: Good Conductors Poor Conductors Good conductors Good conductors are those conductors that allow current to pass through them. For example: All metals including metal wires, copper wires, aluminium foil, etc.  Top Poor conductors Poor conductors are those conductors that do not allow current to pass through them. For example: Wood etc. That is the reason we are not supposed to touc