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28 Dec 2020

A current of 1.0 A exists in a copper wire of a cross-section of 1.0 mm square. Assuming one free electron per atom, calculate the drift speed of free electrons in a wire. the density of copper is 9000 kg / m

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Electricity and Magnetism
Skill
Understanding Ohm's Law & Current electricity
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Ankit Lal
Ankit LalLv10
28 Dec 2020

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Related textbook solutions

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

Related questions

A copper wire has a circular cross section with a radius of 1.25 mm. If the wire carries a current of 3.70 A, Find the drift speed of the electrons in the wire. ( Take the density of mobile charge carriers in copper to be n = 1.1*1029 elctrons/m). All other things being equal, what happens to drift speed in wires made of having large numbers of conduction electrons per atom tham copper. Explain.Ā  Ā 

A copper wire has a circular cross section with a radius of 1.25 mm. If the wire carries a current of 3.70 A, find the drift speed in mm/s of the electrons in this wire. (Note: the density of charge carriers (electrons) in a copper wire is electrons/)

A copper wire has a circular cross section with a radius of 1.25 mm. a) If the wire carries a current of 3.70 A, find the drift speed of the electrons in the wire.

b) All other things being equal, what happens to the drift speed in wires made of metal having a larger number of conduction electrons per atom than copper? Explain.

Ā 

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