A boy sharpens a pencil at both ends and then uses its black end to complete an electric circuit. Give reason for ur answer. Name the black substance of the pencil.
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Answered by
7
Pencils are made up of Graphite
so that's why they conduct electricity
so that's why they conduct electricity
Answered by
5
The black substance is graphite.
graphite is a good conductor of electricity since it contains free ion.
graphite is a good conductor of electricity since it contains free ion.
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