The Temperature Gradient in a Wall Is 80º C/cm,and the Thermal

question 11

Multiple Choice

The temperature gradient in a wall is 80º C/cm,and the thermal conductivity of this wall is 4.0 $\times$ 10^-3 cal/s · cm · Cº.The amount of heat conducted per minute per square centimeter through this wall is approximately

• A)19 cal
• B)27 cal
• C)35 cal
• D)42 cal
• E)0.42 kcal