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 639
ded upon the resistance R, the capacity C, andthe inductance L, and that the frequency is given by the equation, ^i^\zc~ If R/^V is so small as to be neglected compared to i/LC, thenthe frequency is I27r \/TC 620 ELECTROMAGNETIC INDUCTION. or the period T^=2ir\/LC. That is, if the resistance of the… … FiG. 489. comes imaginary. The discharge is uni-directional, dying awayslowly. Figs. 489, a and b, are curves showing these two types ofdischarge. In 1858 Feddersen confirmed Kelvins theory, showing by ex-amining the spark discharge with arevolving mirror, that the spark con-sists of a series of…
Physics
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