Imagine you have a wall that is very well insulated—it has
Chapter 21, Problem 25Q(choose chapter or problem)
Problem 25Q
Imagine you have a wall that is very well insulated—it has a very high thermal resistance, R1.Now you place a window in the wall that has a relatively low R-value, R2. What has happened to the overall R-value of the wall plus window, compared to R1 and R2 ? [Hint: The temperature difference across the wall is still the same everywhere.]
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