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Question

Which among the following elements from our day to day lives can be used as a conductor?

A
Match stick
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B
A piece of chalk
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C
Pencil lead
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D
Plastic bucket
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Solution

The correct option is C Pencil lead
Match stick, plastic bucket and a piece of chalk are insulators. They do not pass electricity through them. They can not be used as conductors. Pencil lead is made of graphite which is a conductor of electricity.

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