Two Metal Rods Are to Be Used to Conduct Heat

question 140

Multiple Choice

Two metal rods are to be used to conduct heat from a region at 100°C to a region at 0°C as shown in the figure. The rods can be placed in parallel, as shown on the left, or in series, as on the right. When steady state flow is established, the heat conducted in the series arrangement is

• A) greater than the heat conducted with the rods in parallel.
• B) the same as the heat conducted with the rods in parallel.
• C) less than the heat conducted with the rods in parallel.

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