A specimen of copper conductor has a resistivity of 1.6x10-8 Ω -m at 0 C and it mean temperature coefficient is 0.00428/o Find the resistivity at 60o C (oK = 273.5 + oC). The resistance of a cylindrical brass conductor 0.5 cm diameter and 3 m long are 0.0108 Ω. Determine resistance of a cylindrical conductor of the same material at the same temperature and having a diameter of 0.25 cm and a length of 8 m.

A specimen of copper conductor has a resistivity of 1.6x10-8 Ω -m at 0 C and it mean temperature coefficient is 0.00428/o Find the resistivity at 60o C (oK = 273.5 + oC). The resistance of a cylindrical brass conductor 0.5 cm diameter and 3 m long are 0.0108 Ω. Determine resistance of a cylindrical conductor of the same material at the same temperature and having a diameter of 0.25 cm and a length of 8 m.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter10: Using Wire Tables And Determining Conductor Sizes

Section: Chapter Questions

Problem 10PP: Determine the ohms-per-mil-foot of an aluminum conductor located in an area with a temperature of...

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