Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 500
s in one direction or in theother. These circular lines represent the so-called magnetic lines of forcewhich occupy a limited space or field round a current-bearing wire. 446. Deflection of the magnetic needle by a current. Experiment 6. — a. Place the apparatus (Fig. 376) so that the mag-netic… … Fig. 376. through the upper wire. At the instant the circuit is closed the needleswings on its axis, and after a few oscillations comes to rest in a positionwhich forms an angle with the wire bearing the current. 6. Break the circuit by removing one of the wires from the screw-cup.The needle, under…
Physics
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