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

ch1-5: What is the driving force for (a)heat transfer, (b) electric current, and (c) fluid flow?

 

Answer:

a) Temperature difference is the driving force for heat transfer because with out temperature difference, heat can not be flow from a body to another.

b) the driving force for electric current flow is the electric potential difference which known as voltage.

c) the driving force for fluid flow is  the pressure difference that exist in it.

 

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