You Are Testing Thermal Conduction Through Two Different Materials,A and B,of

question 26

Multiple Choice

You are testing thermal conduction through two different materials,A and B,of the same cross-sectional area.Material A is twice as thick as material B,and the thermal conductivity of material A is three times higher than that of material B.What is the thermal resistance of A divided by the thermal resistance of B?

• A)6.0
• B)1.5
• C)5.0
• D)0.67
• E)0.17

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