Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for wiring receptacles. Such circuits carry currents as large as 20.0 A. If a wirof smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause fire. (Table of resistivities)(a) Calculate the rate at which internal energy is produced in 1.90 m of 12-gauge copper wire carrying 20.0 A.W(b) Repeat the calculation for a 12-gauge aluminum wire.W(c) Explain whether a 12-gauge aluminum wire would be as safe as a copper wire.

Given: diameter of the wire, d = 12 gauge=0.205 cm= 0.00205 m length of the wire, L = 1.90 m…

Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for wiring receptacles. Such circuits carry currents as large as 20.0 A. If a w of smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause a fire. (Table of resistivities) (a) Calculate the rate at which internal energy is produced in 1.90 m of 12-gauge copper wire carrying 20.0 A. W (b) Repeat the calculation for a 12-gauge aluminum wire. W (c) Explain whether a 12-gauge aluminum wire would be as safe as a copper wire

Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for wiring receptacles. Such circuits carry currents as large as 20.0 A. If a w of smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause a fire. (Table of resistivities) (a) Calculate the rate at which internal energy is produced in 1.90 m of 12-gauge copper wire carrying 20.0 A. W (b) Repeat the calculation for a 12-gauge aluminum wire. W (c) Explain whether a 12-gauge aluminum wire would be as safe as a copper wire

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Current And Resistance

Section: Chapter Questions

Problem 28P

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