The direction of the induced E.M.F. is always such as to tend to oppose the motion (or any sort of change) producing it. ... A current in a magnetic field tends to move away from the side on which its lines are added to those of the field. ... QUESTIONS AND PROBLEMS 1. Can the number of lines of force within a closed coil of wire be increased or decreased without the lines being cut by the wire ? Explain.
|Title||:||Elements of Physics|
|Author||:||Robert Andrews Millikan, Henry Gordon Gale, Willard R. Pyle|