The resistance of a copper wire used to make a motor is 0.5 Ω at 25oC and 0.8 Ω at the motor’s operating temperature. Determine the operating temperature and the rise in temperature of the motor, given that copper has a temperature constant of 234.5oC.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.34P: 2.34 Show that the temperature distribution in a sphere of radius . made of a homogeneous material...
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The resistance of a copper wire used to make a motor is 0.5 Ω at 25oC and 0.8 Ω at the motor’s operating temperature. Determine the operating temperature and the rise in temperature of the motor, given that copper has a temperature constant of 234.5oC.

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