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Question

A scientist took a metal rod and a wooden rod and wrapped each of them in a piece of paper. These were then heated as shown. It was found that the paper around the metal rod does not burn whereas the one around the wooden rod catches fire. It is because

A

Candle in case in case of iron rod, is near to the paper.

B

Wood being an insulator, take away all the heat.

C

Iron being a good conductor, conduct away heat given to paper.

D

Paper, in first, is thicker.

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Solution

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Correct option is C. Iron being a good conductor, conduct away heat given to paper.

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