3. 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 N. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

3. 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 N. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

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3. 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 N. The thermal coefficient of resistance of copper at 0°C is 0.004264/C°.

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