Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 277
^MM trie current. The needle will be deflected toward a direc-tion at right angles to the wire. The accompanyingdiagrams (Fig. 162) show the direction which the needlewill take, and at the same time suggest the explanation.Suppose the current to be flowing from left to right, asrepresented by the… … Fig. 162. Fig. 163. is turned toward the observer. This permits the etherwhirl to move with the ether flow. If the current flowsfrom right to left, as represented by the large straight arrow ELECTRIC CURRENTS 255 in the lower diagram, the needle will be deflected as thererepresented. The…
Physics
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