Determine the resistance of a copper tube 0.5 cm and 2 m long. The external diameter and resistivity are 10 cm and 9.071349x10-2 Ω-m respectively.A coil of annealed copper wire whose resistivity is 10.37Ω-CM/ft has 820 turns, the average length of which is 9 inches. If the diameter of the wire is 32 mils, calculate the total resistance of the coils at 20o C

The resistance of wire is given by as follows .

Answered: Determine the resistance of a copper…

Determine the resistance of a copper tube 0.5 cm and 2 m long. The external diameter and resistivity are 10 cm and 9.071349x10-2 Ω-m respectively

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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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

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Determine the resistance of a copper tube 0.5 cm and 2 m long. The external diameter and resistivity are 10 cm and 9.071349x10^-2Ω-m respectively.
A coil of annealed copper wire whose resistivity is 10.37Ω-CM/ft has 820 turns, the average length of which is 9 inches. If the diameter of the wire is 32 mils, calculate the total resistance of the coils at 20^oC

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