Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 618
Fig. 449. … Fig. 450. also proportional to the time. Ordinates above the line repre-sent electromotive forces in one direction, and ordinates belqwrepresent electromotive forces in the reverse direction. That is,a coil rotating uniformly in a uniform magnetic field, has inducedin it an alternating E. M. F.…
Physics
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