A heating element made of tungsten wire is connected to a
Chapter 25, Problem 25.56(choose chapter or problem)
A heating element made of tungsten wire is connected to a large battery that has negligible internal resistance. When the heating element reaches 80.0o C, it consumes electrical energy at a rate of 480 W. What is its power consumption when its temperature is 150.0o C? Assume that the temperature coefficient of resistivity has the value given in Table 25.2 and that it is constant over the temperature range in this problem. In Eq. (25.12) take T0 to be 20.0o C.
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