Six identical conducting rods are joined as shown in figure. Points A and D are maintained at temperatures 200 
and 20 
respectively. The temperature of junction B will be
A
120 
B
100 
C
140 
D
80 
Text Solution
Verified by ExpertsThe correct answer is:
C
Let the thermal resistance of each rod is R
Effective thermal resistance between B and D = 2R
Temperature of interface 
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