The Wheatstone bridge is a circuit used to measure unknown resistances. The bridge in the figure is
Question:
(a) What is the unknown resistance Rx?
(b) Does the resistance of the galvanometer affect the measurement? Explain.
Transcribed Image Text:
45 Ω 234 Ω 67 Ω
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a Use the definition of resistance If no current flows th...View the full answer
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Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
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