What is the driving force for (a) heat transfer, (b) electric current, and (c) fluid flow?

Physics Dec 28, 2020

Expert Solution

a.) The driving force for heat transfer or the flow of heat is temperature. Heat flows from a higher temperature state to a lower temperature state.

b.) In electricity, the driving force is the potential difference or voltage between two terminals or electrodes. Similarly, electric charges move from the higher potential terminal to the lower potential terminal.

c.) In fluid dynamics, the flow of a fluid is due to the difference in the pressure. Fluid flows from a high pressure area to a low pressure area.

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