Answer :

to create an apparatus we would use a dry cell, a torch bulb which should be fitted in a holder and some connecting wires with the help of crocodile clips and join them to make an electric circuit. Now when we insert a piece of sulphur between the crocodile clips then the bulb does not light up at all. Which means that sulphur is not allowing electric current to pass through it. If we do the same by putting copper wire in place of sulphur then the bulb starts to glow. By the help of this experiment we can say that metal (ex- copper) conduct electricity but non-metal (ex-sulphur) do not.

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