. i. A conductor transfers heat of 1550 J across its length of 20 cm in 6 seconds. Given that its cross-sectional area A is 55cm2. Determine the thermal conductivity of the material if the temperature difference across the ends is 77oC?
. i. A conductor transfers heat of 1550 J across its length of 20 cm in 6 seconds. Given that its cross-sectional area A is 55cm2. Determine the thermal conductivity of the material if the temperature difference across the ends is 77oC?
Related questions
Question
3). i. A conductor transfers heat of 1550 J across its length of 20 cm in 6 seconds. Given that its cross-sectional area A is 55cm2. Determine the thermal conductivity of the material if the temperature difference across the ends is 77oC?
ii. An object of emissivity 0.7 and cross-sectional area 55mm2 at room temperature of 30o losses energy at a rate of 35.6 J /s. What is the initial temperature of the object? [ hint; stefan’s constant = 5.6703 x10- 8W/m/K4 ]
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images