Consider a resistor in the form of a cylindrical wire of length L, radius r and resistance R. If the wire is stretched to a cylindrical wire with length 2.6 L, its new resistance is (You may assume that the mass and resistivity of the wire do not change.) OR O 5.20 R O 6.76 R O 2.60 R O 1.61 R

Consider a resistor in the form of a cylindrical wire of length L, radius r and resistance R. If the wire is stretched to a cylindrical wire with length 2.6 L, its new resistance is (You may assume that the mass and resistivity of the wire do not change.) OR O 5.20 R O 6.76 R O 2.60 R O 1.61 R

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 89CP: Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the...

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Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

Question

Consider a resistor in the form of a cylindrical wire of length L, radius r and resistance R. If the wire is
stretched to a cylindrical wire with length 2.6 L, its new resistance is
(You may assume that the
mass and resistivity of the wire do not change.)
OR
O 5.20 R
O 6.76 R
O 2.60 R
O 1.61 R

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