An experimental study of the fahy permeameter (1918)
National Bureau of Standards · leaf 9
ridge.On this yoke is a winding with which a mmf is produced opposingthat to be measured. When the needle indicates a balance themmf in ampere turns is equal to the product of current and turnsin this winding. Iliovici ® has described a permeameter in which « Chattock. Phil. Mag., 24. p. 94: 1887.*… … Fig. 2.—Magnetic and electrical circuits in their simplest form The Fahy permeameter, which is the subject of the presentpaper, utilizes this latter principle. A short description of the ap-paratus has already been published. II. THEORY The basis of operation of this instrument is apparent from…
Magnetism · measurements and use of instruments/ B8000 Power systems and applications
Internet Archive Book Images · NIST Research Library · No known copyright restrictions (public domain). Free to use for anything.
