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A copper wire 5 mm in diameter and 15 ft long has a voltage

Temperature rise in an electrical wire.

(a) A copper wire, 5 mm in diameter and 15 ft long, has a voltage drop of 0.6 volts. Find the maximum temperature in the wire if the ambient air temperature is 25°C and the heat transfer coefficient h is 5.7 Btu/hr · ft2 · F.

(b) Compare the temperature drops across the wire and the surrounding air film.

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Mechanical Engineering: A copper wire 5 mm in diameter and 15 ft long has a voltage

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Mechanical Engineering: A copper wire 5 mm in diameter and 15 ft long has a voltage

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