The Electric Telegraph
The Electric Telegraph
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In our eReader you can find the full English version of the book. Read The Electric Telegraph 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 The Electric Telegraph
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Ampere observed that when a positive current moved in a wire from south to north, over and parallel to a magnetic needle, the latter was deflected, with a tendency to place itself at right angles to the wire, the north pole pointing westward. Subsequently, Biot and Savart have occupied themselves with the task of establishing the relation between the deflection of the needle and the distance of the galvanic current moving in a straight conductor of infinite length, and have found that : " The t...otal effect of an infinitely long and straight con- ductor upon any magnetic element is in inverse proportion to the distance of the element from the nearest point of the wire. " For the effect of a circular current upon a magnetic element, "Weber has given a mathematical development, from which he proves that when the distance of the magnetic element from the centre point of the current circle is x, its diameter y, the intensity of the current g, and the magnetic intensity of the element which is deflected /*, the force J with which the deflection takes place is expressed by which, translated into words, is, that a magnetic element in the axis of a circular current is attracted or repelled from the SCIENCE AND PRACTICE.
What to read after The Electric Telegraph?
You can find similar books in the "Read Also" column, or choose other free books by Robert Sabine to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Ampere observed that when a positive current moved in a wire from south to north, over and parallel to a magnetic needle, the latter was deflected, with a tendency to place itself at right angles to the wire, the north pole pointing westward. Subsequently, Biot and Savart have occupied themselves with the task of establishing the relation between the deflection of the needle and the distance of the galvanic current moving in a straight conductor of infinite length, and have found that : " The t...otal effect of an infinitely long and straight con- ductor upon any magnetic element is in inverse proportion to the distance of the element from the nearest point of the wire. " For the effect of a circular current upon a magnetic element, "Weber has given a mathematical development, from which he proves that when the distance of the magnetic element from the centre point of the current circle is x, its diameter y, the intensity of the current g, and the magnetic intensity of the element which is deflected /*, the force J with which the deflection takes place is expressed by which, translated into words, is, that a magnetic element in the axis of a circular current is attracted or repelled from the SCIENCE AND PRACTICE.
What to read after The Electric Telegraph?
You can find similar books in the "Read Also" column, or choose other free books by Robert Sabine to read onlineMoreLess
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