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 Ry, known resistance Rs, 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 the unknown resistance and keeping everything else the same. d. Changing the resistivity of the wire 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 Ry, known resistance Rs, 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 the unknown resistance and keeping everything else the same. d. Changing the resistivity of the wire 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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Question

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 Ry, 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 the unknown
resistance and keeping
everything else the same.
d. Changing the resistivity of the
wire and keeping everything
else the same.
e. Changing emf of the power
supply and keeping
everything else the same.

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