Answered: A metal wire has a length of 55.0 m and…

A metal wire has a length of 55.0 m and a diameter of 0.550 mm. The entire length of wire has a resistance of 1.80 resistivity (in Q: m) of the metal.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 33PE: a) Of what material is a wire made, if it is 25.0 m long with a 0.100 mm diameter and has a...

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Concept explainers

Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.

Question

A metal wire has a length of 55.0 m and a diameter of 0.550 mm. The entire length of wire has a resistance of 1.80
resistivity (in Q : m) of the metal.
Ω. m

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