The Principles Involved in the Selection and Definition of the Fundamental
Language: English
Published by Forgotten Books, 2018
- Softcover
- New



Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 12.95
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book studies the complexities and history of the electrical units the ampere, volt and ohm. These play an important role in science and technology, and are significant enough to have been discussed at the International Electrical Congress. The book emphasizes how the three units have been fundamentally defined in terms of concrete and absolute standards, with insight into the distinctions between these standards. The text traces the practical and theoretical challenges that have come up in the process, including difficulties in reconciling absolute and international units, and methods of increasing accuracy via absolute measurements. Ultimately, the book analyzes which of these units provide the most benefit in terms of accuracy, concreteness and ease of reproduction. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. …
Seller Inventory # 9781333734039_0
- Title
- The Principles Involved in the Selection and Definition of the Fundamental
- Author
- F. A. Wolff
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1333734034
- ISBN 13
- 9781333734039
- Seller catalogs
- Electronics
How we define the basic electrical units and why it matters
This booklet explains the search for two foundation units and how they’re chosen to be accurate, concrete, and reproducible in laboratories around the world. It looks at the ohm and the second unit, and why the volt’s role is tied to those choices.
Two fundamental questions frame the discussion: which two units should be chosen, and how should their definitions be written so measurements stay consistent over time? The text compares the practical approaches of using a mercury-based resistance and a silver-based method, weighing their reliability, repeatability, and ease of use.- Why accuracy of reproduction matters when defining base units
- How concrete standards enable direct comparison between labs
- The trade-offs between the coulometer method and standard cells
- How national laboratories can collaborate to test and harmonize specifications
"Synopsis" may belong to another edition of this title.
Forgotten Books
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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FB &c Ltd
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Forgotten Books publishes hundreds of thousands of rare and classic books.
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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