A length of copper telephone line has a resistance of 24 ohms at 20 deg. C. What is the resistance on hot summer day when its temperature rises to 36 deg.C? O 25.508 ohms O 25.510 ohms 25.509 ohms O 25.500 ohms

A length of copper telephone line has a resistance of 24 ohms at 20 deg. C. What is the resistance on hot summer day when its temperature rises to 36 deg.C? O 25.508 ohms O 25.510 ohms 25.509 ohms O 25.500 ohms

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 4PA: Using the above example, determine the wire size needed for the 400-ampere service in accordance...

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Question

A length of copper telephone line has a
resistance of 24 ohms at 20 deg. C. What is
the resistance on hot summer day when its
temperature rises to 36 deg.C?
O 25.508 ohms
O 25.510 ohms
25.509 ohms
25.500 ohms

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