A copper bar has a length of 20 ft. width of 4 inches and thickness of 0.5 inch. If the resistivity of copper is 10.37 N-cm/ft, what is the resistance of the bar? 0.0815m Ohms 0.0814m Ohms 0.0820m Ohms 0.0816m Ohms

A copper bar has a length of 20 ft. width of 4 inches and thickness of 0.5 inch. If the resistivity of copper is 10.37 N-cm/ft, what is the resistance of the bar? 0.0815m Ohms 0.0814m Ohms 0.0820m Ohms 0.0816m Ohms

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter12: Batteries And Other Sources Of Electricity

Section: Chapter Questions

Problem 14RQ: 14. A 6-V lead-acid battery has an A-hr rating of 180 A-hr. The battery is to be load-tested. What...

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Coulomb’s Law

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Question

A copper bar has a length of 20 ft. width of
4 inches and thickness of 0.5 inch. If the
resistivity of copper is 10.37 N-cm/ft, what
is the resistance of the bar?
0.0815m Ohms
0.0814m Ohms
0.0820m Ohms
0.0816m Ohms

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