Principles of the Telephone
Principles of the Telephone
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In our eReader you can find the full English version of the book. Read Principles of the Telephone 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 Principles of the Telephone
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Such a magnet has the advantages of occupying small space, and of having its magnetic field confined strictly within the shell so that there are no stray lines to affect other apparatus which may be near.
57. Construction of Electromagnets. The coils for electro- magnets are usually wound in the form of spools. Such a spool may be entirely of fiber so that it can be removed from the core if desirable, or the fiber ends may be forced on the iron core as shown in Fig. 18. In the latter form sever...al layers of paper are wrapped around the core to insulate it thoroughly from the coil. On this spool the insulated wire of the coil is wound in layers. Sometimes the layers are further insulated from each other by a thickness of paper.
MAGNETIC PRINCIPLES 33 CORE 58. Magnet Wire. The insulated copper wire used in wind- ing coils for electromagnets is known as magnet wire.
Most magnet wire is covered with either silk or cotton. Of the two, silk has the higher insulating properties and is used largely on very fine wire, as a cover- ing of silk is thinner than one of cotton.
What to read after Principles of the Telephone?
You can find similar books in the "Read Also" column, or choose other free books by Cyril Methodius Jansky to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Such a magnet has the advantages of occupying small space, and of having its magnetic field confined strictly within the shell so that there are no stray lines to affect other apparatus which may be near.
57. Construction of Electromagnets. The coils for electro- magnets are usually wound in the form of spools. Such a spool may be entirely of fiber so that it can be removed from the core if desirable, or the fiber ends may be forced on the iron core as shown in Fig. 18. In the latter form sever...al layers of paper are wrapped around the core to insulate it thoroughly from the coil. On this spool the insulated wire of the coil is wound in layers. Sometimes the layers are further insulated from each other by a thickness of paper.
MAGNETIC PRINCIPLES 33 CORE 58. Magnet Wire. The insulated copper wire used in wind- ing coils for electromagnets is known as magnet wire.
Most magnet wire is covered with either silk or cotton. Of the two, silk has the higher insulating properties and is used largely on very fine wire, as a cover- ing of silk is thinner than one of cotton.
What to read after Principles of the Telephone?
You can find similar books in the "Read Also" column, or choose other free books by Cyril Methodius Jansky to read onlineMoreLess
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