Question

c) Which of the following is a good conductor of electricity?
1) Plastic 2) Paper 3) Iron 4)thermacol​

Answer 1

Iron

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Answer 2

Iron is good conductor of heat

WHY IT IS GOOD CONDUTOR?

Iron has metallic bonds which is where the electrons are free to move around more than one atom. This is called delocalization. Because of this, iron is a good conductor.