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Back to 20.3 Resistance and Resistivity

Integrated Concepts

Avg difficulty 2.5

(a) Redo the exercise taking into account the thermal expansion of the tungsten filament. You may assume a thermal expansion coefficient of 12×10−6/ºC\text{12} \times \text{10}^{- 6} / º\text{C}. (b) By what percentage does your answer differ from that in the example?

OpenStax College Physics 2e, 20.3 Resistance and Resistivity, exercise 25

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.