...Rowland's lectures, my attention was particularly attracted by the following passage in Vol. II, p. 144: "It must be carefully remembered, that the mechanical...mechanical force which is the subject of this chapter." This statement seemed to me to be contrary to the most natural supposition in the case considered,...

...If the conductor be a rotating disk or * From the American Journal of Mathematics, vol. ii., 1879. a fluid it will move in obedience to this force, and...magnetic force were in action. The only force which acts ou electric currents is electromotive force, which must be distinguished from the mechanical force,...

...direction of the magnetic induction would cause the screw to move. VOL. II. L ELECTROMAGNETIC FORCE. Hence we have a new electromagnetic definition of...mechanical force which is the subject of this chapter. Fig. 25. CHAPTER II. AMPERE'S INVESTIGATION OF THE MUTUAL ACTION OF ELECTRIC CURRENTS. 502.] WE have...

...electric current be transmitted, the conductor carrying it will experience no force. 501.] It must he carefully remembered, that the mechanical force which...mechanical force which is the subject of this chapter. 35. CHAPTER II. AMPERE'S INVESTIGATION OF THE MUTUAL ACTION OP ELECTRIC CURRENTS. 502.] WE have considered...

...phenomena, called induction currents, have subsided, the distribution of the current will be found to bo the same as if no magnetic force were in action. The...mechanical force which is the subject of this chapter." In the investigation on electric discharges, on which Mr. Moulton and myself have been long engaged,...

...or a fluid it will move in obedience to this force, and this motion may or may not be accompanied by a change of position of the electric current which...mechanical force which is the subject of this chapter. « {Mr. HaU has discovered (Phil. Mag. fc. p. 225, xp 301. 1880) that a steady magnetic field does...

...on the electric current, but on the conductor which carries it. If the conductor be a rotating disc or a fluid it will move in obedience to this force,...acts on electric currents is electromotive force." The existence of the Hall effect, considered in Chapters XI. and XIV., shows that the statement in...

...electric current which it carries. But if the current itself be free to choose any path through a filed solid conductor, or a network of wires, then, when...acts on electric currents is electromotive force." The existence of the Hall effect, considered in Chapters XI. and XIV., shows that the statement in...

...it carries. But if the current itself be free to choose any path through a fixed solid conductor or network of wires, then when a constant magnetic force...mechanical force which is the subject of this chapter." "This statement seemed to me contrary to the most 1 natural supposition in the case, taking into account...

...phenomena, called induction-currents, have subsided, the distribution of the current will be found to bo the same as if no magnetic force were in action. The only force which acts on electric * From a separate impression from the 'American Journal of Mathc1,1 .• i i. .,' 1870, communicated...