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The unit of thermal conductivity is :...

The unit of thermal conductivity is :

A

`"Wm"^(-1) K^(-1)`

B

`"J mK"^(-1)`

C

`"J m"^(-1) K^(-1)`

D

`"W m K"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`H= ((k)A(T_2-T_1))/(l)`
`(k) = (H) (l/A) 1/([T_2-T_1])implies k=W1/m1/k`
`K = Wm^(-1)k^(-1)`
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