Physical Measurements
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In our eReader you can find the full English version of the book. Read Physical Measurements Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Physical Measurements
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By removing the proper plugs any combination of resistances can be obtained from the smallest to the sum of all. Before begin- ning work, it is advisable to clean the plugs with fine emery- cloth so that they may make good contacts, and thereafter care should be taken not to soil them with the fingers.
One important precaution in regard to the use of the resistance-box should be observed. If any of the plugs are in loosely, there will be some resistance at the contact. Hence, the plug should be... screwed in firmly, but not vio- lently. When any* one plug has been withdrawn, the others should be tested before proceeding, for the removal of one may loosen the contact of the others. This precaution is especially important in making a final determination.
30. Forms of Wheatstone's Bridge.
The practical measurement of a resistance consists in comparing it with a known or standard resistance. Wheat- stone's Bridge is an arrangement of conductors for facilitat- ing this comparison, and consists essentially of six branches 153 ELECTRICITY AND MAGNETISM.
What to read after Physical Measurements?
You can find similar books in the "Read Also" column, or choose other free books by A Wilmer Alexander Wilmer Duff to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
By removing the proper plugs any combination of resistances can be obtained from the smallest to the sum of all. Before begin- ning work, it is advisable to clean the plugs with fine emery- cloth so that they may make good contacts, and thereafter care should be taken not to soil them with the fingers.
One important precaution in regard to the use of the resistance-box should be observed. If any of the plugs are in loosely, there will be some resistance at the contact. Hence, the plug should be... screwed in firmly, but not vio- lently. When any* one plug has been withdrawn, the others should be tested before proceeding, for the removal of one may loosen the contact of the others. This precaution is especially important in making a final determination.
30. Forms of Wheatstone's Bridge.
The practical measurement of a resistance consists in comparing it with a known or standard resistance. Wheat- stone's Bridge is an arrangement of conductors for facilitat- ing this comparison, and consists essentially of six branches 153 ELECTRICITY AND MAGNETISM.
What to read after Physical Measurements?
You can find similar books in the "Read Also" column, or choose other free books by A Wilmer Alexander Wilmer Duff to read onlineMoreLess
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