Two bars are conducting heat from a region of higher temperature to one of lower temperature. the bars have identical lengths and cross-sectional areas, but are made from different materials. in the drawing they are placed in "parallel" between the two temperature regions arrangement a, while they are placed end-to-end in arrangement b. in which arrangement is the heat conducted the greatest?
a) arrangement a
b) the heat conducted is the same in both arrangements.
c) arrangement b
d) it is not possible to determine which arrangement conducts more heat.