Suppose the height and width of the windowpane in Figure 14.26 are both increased by a f...

Suppose the height and width of the windowpane in Figure 14.26 are both increased by a factor of two. By what factor does the heat flow through the window change?

(a) There is no change.

(b) It increases by a factor of two.

(c) It increases by a factor of four.

(reference figure14.26)