 | Nehemiah Hawkins - Electric engineering - 1896 - 568 pages
...direction — a change of order so that the last becomes first. QuES. What is meant by permeability ? ANS. Permeability is the conductivity for magnetic lines...that of air, varying with the quality of the iron. NOTE.— The magnetic permeability decreases as the magnetization increases. When a piece of iron has... | |
 | Nehemiah Hawkins - Electric engineering - 1896 - 570 pages
...direction -a change of order so that tne last becomes first. QOBS. What is meant by permeability ? ANS. Permeability is the conductivity for magnetic lines...force. In other words, it is a measure of the ease with ihich in agn etism passes through any substance. The permeability of good soft wrought iron is sometimes... | |
 | Nehemiah Hawkins - Electricity - 1910 - 570 pages
...ratio between the magnetizing force and the magnetic induction; the coefficient of magnetic induction. Permeability is the conductivity for magnetic lines...permeability of good soft wrought iron is sometimes 30OO times that of air, varying with the quality of the iron. The magnetic permeability decreases as... | |
 | Nehemiah Hawkins - Electrical engineering - 1914 - 472 pages
...core appears to have no effect in increasing the strength of the field. Permeability. — Permeability is a measure of the ease with which magnetism passes through any substance. It is defined as : the ratio between the number of lines of force per unit area passing through a tnagnetir-ohle... | |
 | Steam engineering - 1921 - 1066 pages
...the air core is called the permeability and designated by the Greek letter ^t. Permeability. — This is a measure of the ease with which magnetism passes through any substance. It is defined as: the ratio between ike number of lines of force per unit area passing through a magnetizable... | |
 | United States. Adjutant-General's Office - 1928 - 600 pages
...ratio between the magnetizing force and the magnetic induction; the coefficient of magnetic induction. Permeability is the conductivity for magnetic lines...permeability of good soft wrought iron is sometimes three thousand times that of air, varying with the quality of the iron. The magnetic permeability decreases... | |
 | 1905 - 724 pages
...heretofore has been some commercial material, such as steel tape or piano wire. By permeability is meant the conductivity for magnetic lines of force ; in...with which magnetism passes through any substance. Up to the present the material used in the speech carrier was rendered receptive to peculiar effects... | |
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Permeability is the conductivity for magnetic lines of force. In other words, it is a measure of the ease with which magnetism passes through any substance. The permeability of good soft wrought iron is sometimes 3000 times that of air, varying with the... 