Question

answer it
1)in which cases bulb will glow ?
2) in which cases bulb will not glow .?
3)what conclusion do you draw about electrical conductivity of metals ?
4)what conclusion do you draw for electrical conductivity of non -metals ?
5)which allotrope of carbon is a good conductor of electricity?
6)write one use of above said allotrope of carbon.
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Answer 1

Explanation:

1)when copper wires are connected

2)when copper wires are not connected

3)metals can pass or conduct

electricity through them

4)metals cannot pass or conduct electricity through them

5)graphite

6)it is used instead of oil for dry lubrication