Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 741
When a current flows in one of the galvanometer wires, thewire moves at right angles both to its own length and to thedirection of the magnetic field in which it stands, and since thebeam of light is in the direction of the magnetic field, the motionof the wire is in a vertical plane and across the…
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