Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 107
L2566 X 1000 X I 100 000 = .131.2566 X 1000 X I = 13 0001 256.6 I = 13 0001 = 10.34 Ans. 10.34 amperes. Example.—The magneticcircuit, shown in Fig. 70,is rectangular in cross-sec-tion, the dimensions per-pendicular to the paper be-ing 3 centimeters. Thepermeability of the iron is1000. The armature… … Fig. 70 Solution.—The total length of path in air is2 X .5 = 1 cm. ELECTROAIAGXETISM 97 The area of the magnetic circuit is the same throughoutand is equal to 2 X 3 = 6 sq. cm. The reluctance of the air gaps is equal to I 1 1 E fxA 1X6 6 The length of the magnetic circuit in the iron is TT X d (2 X…
Electrical engineering
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