Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 284
in succes-sion to their lowest position, dip into a mercury cup, anda current is sent from the axis down the vertical radius to themercury, whence it returns to the battery. If now the polesof a magnet be placed on opposite sides of the wheel, thewheel begins to rotate, and by bringing the points… … Fig. 165. By means of this apparatus it is easy to study the directionof motion of a conductor in a magnetic field. The movement 266 Electricity. [Book in. of the conductor is affected only by the lines of force whichcut through it, and the direction in which it tends to moveis at right angles to…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
