Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 35
aooo iqooo 1^00 lAfiOQ I^OO IQQOO £9000 aZQOQ Fig. 11. Permeability Curve ^ <E) = 1.257 ITI liA ^^B 1.257ITiiI (10) (11) Reluctance = —•.nA 26 … PRINCIPLES 17 In the design of electromagnets it is necessary, before calculationsas to size of the iron core required can be made, to know what themagnetic properties of that particular iron are; for, obviously, in-ferior permeability demands a larger cross-section to obtain a givenflux.…
Electrical engineering
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