Questions
Two conducting slabs having same shape and size of heat conductivities k1 and k2 joined as shown in figure. The temperature at ends of the slabs are and (). The final temperature of junction ( ) is:
detailed solution
Correct option is A
Assuming both slabs have identical thicknesses, ∆Q∆t=k1A(θ1-θm)l=k2A(θm-θ2)l⇒θm=k1θ1+k2θ2k1+k2Talk to our academic expert!
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