You have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance Rg, Which of the following will keep fixed the ratio of L2/L? a. Changing the known resistance and fixing everything else. b. Varying the length or resistivity of the wire and keeping everything else the same. c. Changing emf of the power supply and keeping everything else the same. d. Changing the resistivity of the wire and keeping everything else the same. e. Changing the unknown resistance and keeping everything else the same.

You have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance Rg, Which of the following will keep fixed the ratio of L2/L? a. Changing the known resistance and fixing everything else. b. Varying the length or resistivity of the wire and keeping everything else the same. c. Changing emf of the power supply and keeping everything else the same. d. Changing the resistivity of the wire and keeping everything else the same. e. Changing the unknown resistance and keeping everything else the same.

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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