Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 560
e(Fig. 426). Reverse the di-rection of the cur-rent above and thedeflection is reversed. We thus prove that a solenoid bearing a current possessespolarity as if it were a magnet, and that there can be pro-duced by a current-bearing solenoid a magnetic field of thesame character as that produced by… … Fig. 425. FIG. 426. 540 ETHEK DYNAMICS. G-lven the direction of the current in a solenoid, to find the N- and S-poles of the solenoid, and vice versa. Rule 1. Place the palm of the right hand against the side of the solenoid so that the fingers will point in the direction of the current…
Physics
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