Question

A hair dryer has a resistance wire of 1200‐W. The resistance wire has a diameter of...

A hair dryer has a resistance wire of 1200‐W. The resistance wire has a diameter of D = 0.3 cm and is 80 cm long.

(a) Determine the rate of heat generation in the wire per unit volume, in W/cm3.

(b) Determine the heat flux on the outer surface of the wire as a result of this heat generation.

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