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PHYS 204 Final Exam Expected Questions and Answers

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PHYS 204 Final Exam Expected Questions and Answers What is an application of a Wheatstone bridge? a) charge storage in capacitor b) measure voltage in a voltmeter c) sensor in a light switch d) change frequency in a radio - ANSWER-c) sensor in a light switch In a Wheatstone Bridge: what is t...

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  • November 4, 2024
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PHYS 204 Final Exam Expected

Questions and Answers


What is an application of a Wheatstone bridge?


a) charge storage in capacitor


b) measure voltage in a voltmeter


c) sensor in a light switch


d) change frequency in a radio - ANSWER✔✔-c) sensor in a light switch


In a Wheatstone Bridge: what is the unknown resistor, Rx?


R = 6Ω


Ra = 4Ω


Rb = 2Ω


Ig = 0A




a) 12 Ω


Copyright © Stuvia International BV 2010-2024 Page 1/12

, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




b) 3 Ω


c) 4 Ω


d) 6 Ω - ANSWER✔✔-b) 3 Ω


If Ig is not zero in a Wheatstone bridge, meaning current is flowing through the galvanometer, which of

these is true?


a) Rx = R


b) Rx > R


c) R < Ra


d) Ra < Rb - ANSWER✔✔-b) Rx > R


According to the junction rule for the Wheatstone bridge, which of these must be true? (reference

picture of Wheatstone bridge in lab manual)


a) Ig = Ia + Ib


b) Ix = I + Ig


c) I = Ia + Ib


d) Ib = Ig + Ia - ANSWER✔✔-d) Ib = Ig + Ia


If you increase the length of a wire in the Wheatstone bridge, what happens to the resistance?


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