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Two cylindrical rods of same length have the area of cross section in the ratio 2:1. If both rods are made up of same material, which of them conduct heat fast ?

Two cylindrical rods of same length have the area of cross section in the ratio 2:1. If both rods are made up of same material, which of them conduct heat fast ?

Grade:9

1 Answers

Arun
25758 Points
3 years ago
Dear student
 
as we know
 
Q = K * A * delta T / L
 
now everything is same except Area
 
hence Q is proportional to area
hence first rod will conduct heat fast
 

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