Measurement of low resistance by means of the wheatstone bridge
Book details
- Title
- Measurement of low resistance by means of the wheatstone bridge
- Publication year listed
- 1923
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
Measurement of low resistance by means of the wheatstone bridge
Year: 1923
Resistances which are small can be definite only if they have distinct current and potential terminals. In the arrangement described, the current terminals serve for connecting the resistance into the bridge circuit, while the potential terminals serve as branch points. This puts the connecting resistances into arms adjacent to the arm containing the unknown resistance, their effect therefore being made smaller than with the usual arrangement in the ratio of the unknown resistance to the resistance of the adjacent arms. In cases where the errors still caused by the connecting resistances need be considered, two supplementary measurements with the same apparatus may be made practically to eliminate them. With a recently calibrated bridge a resistance of the order of%
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