An aluminum wire 7.5 meters long is connected in a parallel with a copper wire 6 meters long. When a current of 5 amperes is passed through the combination, it is found that the current in the aluminum wire is 3 amperes. The diameter of the aluminum wire is 1 millimeter. Determine the diameter of the copper wire. Resistivity of copper is 0.017 micro-ohm - meter; that of the aluminum is 0.028 micro-ohm - meter.

An aluminum wire 7.5 meters long is connected in a parallel with a copper wire 6 meters long. When a current of 5 amperes is passed through the combination, it is found that the current in the aluminum wire is 3 amperes. The diameter of the aluminum wire is 1 millimeter. Determine the diameter of the copper wire. Resistivity of copper is 0.017 micro-ohm - meter; that of the aluminum is 0.028 micro-ohm - meter.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

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