Roper's catechism for steam engineers and electricians .. (1899)
Roper, Stephen. [from old catalog], Keller, Edwin R., [from old catalog] ed, Pike, Clayton W., [from old catalog] ed · Philadelphia, D. McKay · leaf 284
f the coil.Finally, extend the thumbat right angles to both of the fingers. The direc-tion in which the thumb points will be the direc-tion in which that part of the coil will move. Q. And if at this point the direction of currentis again reversed ? A. The coil will rotate in the same direction… … 264 ropers catechism for A. None at ail, except that greater strength canbe secured by usmg an electro-magnet. Experiment 7.—Suppose we have the same coilof wire as in Experiment 6, which we will call^coil No. 1, connected to a galvanometer, and nearit a second coil attached to a battery. A…
Steam engineering · Electrical engineering
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