• Express your final answer in proper ENG notation and unit. Observe 2-5 decimalplaces.Determine the thermal coefficient of resistance of copper at 50°C, then use this value to1.determine the resistance of copper wire at 170°F if the resistance of this copper wire at 50°C is50 N. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

The variation in resistance of copper wire with temperature is given by the formula…

1. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to determine the resistance of copper wire at 170°F if the resistance of this copper wire at 50°C is 50 0. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

1. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to determine the resistance of copper wire at 170°F if the resistance of this copper wire at 50°C is 50 0. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Current And Resistance

Section: Chapter Questions

Problem 27.76AP

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Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

Question

• Express your final answer in proper ENG notation and unit. Observe 2-5 decimal
places.
Determine the thermal coefficient of resistance of copper at 50°C, then use this value to
1.
determine the resistance of copper wire at 170°F if the resistance of this copper wire at 50°C is
50 N. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

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