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For a perfect insulator coefficient of thermal conductivity is

Question

For a perfect insulator coefficient of thermal conductivity is :

zero

infinite

one

two

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Text solutionVerified

An insulator does not conduct heat.
So,

\frac{d Q}{d t} = \frac{K A}{L}

x temperature gradient

= 0

So,

K = 0

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Question Text	For a perfect insulator coefficient of thermal conductivity is :
Answer Type	Text solution:1
Upvotes	150