The Electromagnet
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In our eReader you can find the full English version of the book. Read The Electromagnet 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 Electromagnet
What reading level is The Electromagnet book?
To quickly assess the difficulty of the text, read a short excerpt:
Points to be Observed in Practice.
In calculating magnet windings, the utmost care must be exercised in measuring the exact dimensions of the winding volume, otherwise the results will vary greatly.
When it is considered that the resistance varies inversely with the square of the diameter of the wire plus insulation, it is readily seen that these factors are most important. The variation of one-thousandth of an inch in the thickness of the insulation on a No. 35 wire will cause a variation of 2...3 per cent in the amount of wire that may be wound in a given winding volume.
Also, the diameter of the core to wind on must be taken, i.e., the diameter after the paper or mica or other insulating material has been wrapped around the core, for the thickness of the insulating sleeve, though slight, makes a great difference in the volume of the winding.
The true outside diameter must also be accurately meas- ured for the same reason as with the core, but with the outside diameter the variation is even more marked.
What to read after The Electromagnet?
You can find similar books in the "Read Also" column, or choose other free books by Charles Reginald Underhill to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Points to be Observed in Practice.
In calculating magnet windings, the utmost care must be exercised in measuring the exact dimensions of the winding volume, otherwise the results will vary greatly.
When it is considered that the resistance varies inversely with the square of the diameter of the wire plus insulation, it is readily seen that these factors are most important. The variation of one-thousandth of an inch in the thickness of the insulation on a No. 35 wire will cause a variation of 2...3 per cent in the amount of wire that may be wound in a given winding volume.
Also, the diameter of the core to wind on must be taken, i.e., the diameter after the paper or mica or other insulating material has been wrapped around the core, for the thickness of the insulating sleeve, though slight, makes a great difference in the volume of the winding.
The true outside diameter must also be accurately meas- ured for the same reason as with the core, but with the outside diameter the variation is even more marked.
What to read after The Electromagnet?
You can find similar books in the "Read Also" column, or choose other free books by Charles Reginald Underhill to read onlineMoreLess
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