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What is the resistance of a 20.0-m-long piece of 12-gauge copper wire having a 2.053-mm diameter?

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Uttam Saikia
Uttam SaikiaLv10
1 Nov 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Consider a 20 meter of 24-gauge copper wire having 2.053mm of diameter. calculate the resistance of this wire.

The diameter of 0-gauge copper wire is 8.252 mm. Find the resistance of a 1.00-km length of such wire used for power transmission.

Ā 

Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for wiring receptacles. Such circuits carry currents as 20.0A. If a wire of smaller diameter (with a higher gauge number) carried that much current, the wire would rise to a high temperature and cause a fire.

(a) Calculate the rate at which internal energy is produced in 1 m of 12-gauge copper wire carrying 20.0 A.

(b) What if? Repeat the calculation for a 12-gauge aluminum wire.

(c) Explain whether a 12-gauge aluminum wire would be as safe as a copper wire?

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