 The magnetomotive force in a magnetic circuit is directly proportional to the number of ampere-turns; the reluctance is directly proportional to the length of the circuit and inversely proportional to the sectional area, and likewise, to the permeability...  The Theory and Practice of Ore Dressing - Page 404by Edward Saxton Wiard - 1915 - 426 pagesFull view - About this book
 | Sir William Slingo, Arthur Brooker - 1895 - 808 pages
...lines of force, is analogous to electrical specific conductivity ; and the magnetic resistance also is directly proportional to the length of the circuit,...and inversely proportional to the sectional area, a. Consequently, Magnetic resistance = . I7 X /t / being preferably measured in centimetres, a in square... | |
 | Horatio Alvah Foster - 1901 - 1018 pages
...is subject to laws analogous to those for electric conductors It has its magnetic resistance, which is directly proportional to the length of the circuit, and inversely proportional to its cross-section and permeability, the latter being somewhat analogous to conductivity in an electric... | |
 | Robert Hallowell Richards - 1903 - 624 pages
...force number of magnetic lines of force = — : — -=—-. -. : n . reluctance of the magnetic circuit The magnetomotive force in a magnetic circuit is directly...inversely proportional to the sectional area, and likewise, to the permeability of the substances in the circuit. By the term permeability, commonly... | |
 | Robert Hallowell Richards - 1903 - 614 pages
...number of magnetic lines of force = — ¡ — , ,, -• = -. • reluctance or the magnetic circuit The magnetomotive force in a magnetic circuit is directly...ampere-turns; the reluctance is directly proportional to the lenglh of the circuit and inversely proportional to the sectional area, and likewise, to the permeability... | |
 | J. H. Alexander - 1906 - 244 pages
...convolutions in the solenoid, or, in other words, to the " ampere turns." B Magnetic resistance or reluctance is directly proportional to the length.../, and inversely proportional to the sectional area a. Thus magnetic resistance / ax p. Here /* = the permeability, or the relative capacity for conducting... | |
 | Sir William Slingo, Arthur Brooker - 1908 - 880 pages
...analogous to electrical specific conductivity; and the magnetic resistance, like electrical resistance, is directly proportional to the length of the circuit,...and inversely proportional to the sectional area, a. Consequently, Magnetic resistance = , a x /i / being preferably measured in centimetres, a in square... | |
 | International Correspondence Schools - 1908 - 456 pages
...3.O 3.5 4.O 45 Wa//s per /A. a/ /OO Cyc/es per Sec. '* afO°Cen/ The reluctance of a magnetic circuit is directly proportional to the length of the circuit, and inversely proportional to the product of the area of the cross-section of the circuit and the permeability, or If / and A are in... | |
 | 1921 - 1066 pages
...wasted, but in the magnetic circuit reluctance does not involve any similar waste of energy. Rule 25. — The reluctance is directly proportional to the length of the circuit, and inversely proportional to its cross sectional area. FIG. 6,253,-Hysteresisloop or curve showing howB, changes whenH, is periodically... | |
 | William Henry Timbie, Vannevar Bush - 1922 - 538 pages
...reluctance of the circuit. The resistance of a uniform electric circuit is found experimentally to be proportional to the length of the circuit and inversely proportional to the cross-section. The proportionality factor is called the resistivity of the material used, and its reciprocal... | |
 | Robert Hallowell Richards, Charles E. Locke, John Leighton Bray - 1925 - 594 pages
...the magnetic circuit in a magnetic circuit is directly proportional to the number of ampere turns; the reluctance is directly proportional to the length...inversely proportional to the sectional area, and, likewise, to the permeability of the substances in the circuit. By the term permeability, commonly... | |
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