Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 287
rge butperfectly definite numbers, and insuch a manner that the number oflines of force which cut unit arearound any point in the field mea-sures the strength of the field per-pendicular to that area, we can thenrepresent the behaviour of this circuit rather more simply.The current places itself at… … Fig. 167 chap, v.] Electro- Magnetism and Dynamics. 269 By supporting a wire framework, free to rotate about ahorizontal axis at right angles to the magnetic meridian, andpassing a strong current, it has been shown that it sets atright angles to the dipping needle. By supporting a horizontal wire…
Electricity
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