The coefficient of thermal conductivity of copper is 9 times that of steel. In the composite cylindrical bar shown in the figure, what will be the temperature at the junction of copper and steel?

Text Solution
Verified by ExpertsThe correct answer is:
A
Temperature of interface,

Given,
,
So, if
,
Then

Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The coefficient of thermal conductivity of a material depends upon
In which of the following convection will not take place primarily?
Two identical square rods of metal are welded end-to-end as shown in Fig. (1). 20 calories of heat …
Two identical rods with different thermal conductivities and different temperatures are first plac…
Three identical rods A, B and C are placed end to end. A temperature difference is maintained betwe…
Three rods of the same dimension have thermal conductivities and 4 K. They are arranged as shown i…