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A body of length 1 m having cross sectio...

A body of length `1 m` having cross sectional area `0.75 m^(2)` has heat flow through it at the rate of `6000 "Joule"//sec`. Then find the temperature difference if `K = 200 Jm^(-1) K^(-1)`.

A

`20”^(@)C`

B

`40”^(@)C`

C

`80”^(@)C`

D

`100”^(@)C`

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