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Physics LibreTexts

13.9B: The Schering Bridge

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This bridge can be used for measuring capacitance.

13.10.png
FIGURE XIII.10

The admittance of the fourth arm is 1R4+jC4ω, and its impedance is the reciprocal of this. I leave the reader to balance the bridge and to show that

R1R2=C4C3

and

C1=C3R4R2.


This page titled 13.9B: The Schering Bridge is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Jeremy Tatum via source content that was edited to the style and standards of the LibreTexts platform.

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