Home
Class 11
PHYSICS
Three rods of same length and area of cr...

Three rods of same length and area of cross-section but of thermal conductivities K, 2K and 3K are connected in series in the same order. Free end of the first rod is at `0^(@)C` and free end of third rod is at `55^(@)C`. In steady state, temperature difference across the middle rod is

A

`15^(@) C`

B

`30^(@) C`

C

`10^(@) C`

D

`25^(@) C`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Three metal rods of same lengths and same area of cross-section having conductivities 1, 2, 3 units are connected in series. Then their their effective conductivity will be

Three metal rods of same lengths and same area of eross-section having conductivities 1,2,3 units are connected in series. Then theireffective conductivity will be

Two metal rods A and B of equal lengths and equal cross- sectional areas are joined end to end. The coefficients of thermal conductivities of A and B are in ratio 2 : 3 , when the free end of A is maintained at 100^(@)C , free end of B at 0^(@)C , the temperature of the junction is

Two rods A and B of same length and radius are joined together. The thermal conductivity of A and B are 2K and K. Under steady state conditions, if temperature difference between the open ends of A and B is 36^(@)C , the temperature difference across 'A' is

Three rods of same dimension have thermal conductivities 3k, 2K and K. They are arranged as shown in the figure below. Then in the steady state the temperature of the junction P is