A wire of resistance 4 2 is stretched to twice its original length. In the process of stretching, its area of cross-section gets halved. Now, the resistance of the wire is (a) 8 요 (b) 16 N (c) 1 N (d) 4 N

A wire of resistance 4 2 is stretched to twice its original length. In the process of stretching, its area of cross-section gets halved. Now, the resistance of the wire is (a) 8 요 (b) 16 N (c) 1 N (d) 4 N

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

please explain Briefly and in understandable language

- A wire of resistance 42 is stretched to
twice its original length. In the process of
stretching, its area of cross-section gets
halved. Now, the resistance of the wire is
(a) 8 Q
(b) 16 N
(c) 1 2
(d) 4 N

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