Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1925 |
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Halaman 10
... wire , depending on the difference in the mutual inductances of round and square wires , is wrong , and Stefan's only approximately correct . The formulas are fully worked out by the method of geometrical mean distances and verified by ...
... wire , depending on the difference in the mutual inductances of round and square wires , is wrong , and Stefan's only approximately correct . The formulas are fully worked out by the method of geometrical mean distances and verified by ...
Halaman 14
... wires is equivalent to a thick current sheet . It is shown in this paper that this assumption leads to a wrong result , and the correct expression is given , enabling the self - inductance to be calculated when the size and spacing of ...
... wires is equivalent to a thick current sheet . It is shown in this paper that this assumption leads to a wrong result , and the correct expression is given , enabling the self - inductance to be calculated when the size and spacing of ...
Halaman 15
... wire , taking account also of the corrections depend- ing on the size of the wire and the thickness of the insulation . ( Oct. 12 , 1907. ) 23 pp . Price , 5 cents . S84 . The Self - Inductance of a Solenoid of any Number of Layers ...
... wire , taking account also of the corrections depend- ing on the size of the wire and the thickness of the insulation . ( Oct. 12 , 1907. ) 23 pp . Price , 5 cents . S84 . The Self - Inductance of a Solenoid of any Number of Layers ...
Halaman 16
... wires . The formulas have all been tested in actual practice , and formulas that were found inaccurate or not practically useful have been eliminated in making the collection . The second part of the paper contains numerous examples to ...
... wires . The formulas have all been tested in actual practice , and formulas that were found inaccurate or not practically useful have been eliminated in making the collection . The second part of the paper contains numerous examples to ...
Halaman 19
... wire at right angles to one another form an armature , which revolves in a magnetic field produced by two parallel coils of many layers . Each revolving coil is connected to a 2 - part commutator , which rectifies the current flowing ...
... wire at right angles to one another form an armature , which revolves in a magnetic field produced by two parallel coils of many layers . Each revolving coil is connected to a 2 - part commutator , which rectifies the current flowing ...
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Istilah dan frasa umum
15 cents absorption acid alloys alternating current ammonia annual antenna apparatus brick Bureau of Standards calorimeter carbon cells cement CHIG circuit circular clays coils color commercial committee concrete condensers conference construction contains copper curves described determined discussed effect electrical electrical insulating electrolytic electromotive force Elimination of Waste-Simplified experimental Federal Specifications Board formulas frequency galvanometer given Government Master Specification inductance coils instruments insulating investigation iron laboratory lamps lime magnetic manufacturers materials metal method molybdenite mutual inductance obtained oxide paint plates platinum Portland cement potentiometer Practice Recommendation Price properties pyrometer quicklime radiation radio resistance samples scale Screw Thread self-inductance shown simplified practice specification was officially specification was prepared spectral spectrum steel tables temperature tests thermal expansion thermometers tion tube tungsten United States Government UNIV vapor various voltage W. W. Coblentz Waste-Simplified Practice wave lengths weights and measures wire
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