c) The resistance of the wire used for telephone is 352 per kilometerwhen the weight of the wire is 10kg per kilometer. If the specificresistance of the material is 1.95 × 10-82 – m.I.What is the cross-sectional area of the wire?I.What will be the resistance of a loop to a subscriber 8kmfrom the exchange if wire of the same material but weighing20kg per kilometer is used?

Given that R= 35 ohm L= 1000 m specific resistance of the material =1.95 x 10-8 ohm-m Part (i)…

c) The resistance of the wire used for telephone is 350 per kilometer when the weight of the wire is 10kg per kilometer. If the specific resistance of the material is 1.95 x 10-82 – m. I. What is the cross-sectional area of the wire? II. What will be the resistance of a loop to a subscriber 8km from the exchange if wire of the same material but weighing 20kg per kilometer is used?

c) The resistance of the wire used for telephone is 350 per kilometer when the weight of the wire is 10kg per kilometer. If the specific resistance of the material is 1.95 x 10-82 – m. I. What is the cross-sectional area of the wire? II. What will be the resistance of a loop to a subscriber 8km from the exchange if wire of the same material but weighing 20kg per kilometer is used?

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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