7. Iron, steel, copper, aluminium are conductors of heat but wood, rubber, plastic, and cotton piece are non-conductors. Explain

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Solution

Conductors of heat: Conductors of heat are those materials that allow the flow of heat through themselves.
Example: Iron, steel, aluminium, and steel are metals and they are good conductors of heat.
Insulator of heat: Insulators of heat are those materials that do not allow the flow of heat through themselves.
Example: Wood, Plastic, rubber, and cotton piece are insulators of heat or non-conductors.

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Q. Which of the following groups of materials contain only conductors?
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