Question: A hair dryer may be idealized as a circular duct through which a small fan draws ambient air and within which the air is heated

A hair dryer may be idealized as a circular duct through which a small fan draws ambient air and within which the air is heated as it flows over a coiled electric resistance wire.

Surroundings, Tur Air Fan Electric resistor fo0000- Discharge Inlet, V, 7; T, Vo P. elec Dryer, T,e

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