The ratio of thermal conductivity of two rods different material is 5:4.The two rods of same area of cross section and same thermal resistance wil the length in the ratio:
pallavi pradeep bhardwaj , 15 Years ago
Grade 12
1 Answers
askIITianexpert IITDelhi
Last Activity: 15 Years ago
Thermal resistance =l/KA
So, l1/l2 = K1/K2 =5/4
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