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Question

Which one of the following is a poor conductor of heat?


A

Silver

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B

Copper

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C

Mercury

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D

Aluminium

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Solution

The correct option is C

Mercury


Conductor of heat:

  1. Heat conductors are materials that allow heat to easily pass through them.
  2. Metals with the highest thermal conductivity are copper and aluminum, while steel and bronze have the lowest.
  3. Because copper is an excellent heat conductor, it is also suitable for heat exchangers.
  4. Mercury is a relatively poor heat conductor.
  5. Poor conductors are materials that cannot transfer heat.

Hence, Option(C) is correct.


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