A certain wire has resistance R. Another wire, of the same material, has half the length and half the diameter of the first wire. Theresistance of the second wire is:O R/4O R/2ORO 2RO 4R Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 m. Conductor B is ahollow tube of inside diameter 1 m and outside diameter 2 m. The ratio of their resistance, RA/RB, is:0 1O 2O 30 4

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Answered: A certain wire has resistance R.…

A certain wire has resistance R. Another wire, of the same material, has half the length and half the diameter of the first wire. The resistance of the second wire is: O R/4 O R/2 OR O 2R O 4R

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

100%

A certain wire has resistance R. Another wire, of the same material, has half the length and half the diameter of the first wire. The
resistance of the second wire is:
O R/4
O R/2
OR
O 2R
O 4R

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 m. Conductor B is a
hollow tube of inside diameter 1 m and outside diameter 2 m. The ratio of their resistance, RA/RB, is:
0 1
O 2
O 3
0 4

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