Heaviside, Oliver, 1850-1925 · London : Macmillan · leaf 156
e less does the wave become before it has made asingle journey from 0 to /. For 100 miles, p = 2sjk= 1/500 second (seeabove) and iJsC^JS/lOOO, so that even on its first journey the wave isgreatly diminished. For 10 miles, /v/5C = \/3/10000, so that the wavemay make 10 journeys before it decays as… … showing the changes during the period 2/s/«;, divided into eight equalintervals. Here v at any point x is alternately E{\- xjl) and - Exjl,the times during which it has these values being such that the meanvalue of V is 0. Thus at x = \l, v is three times as long at - ^E as at+ ^E, and at x = ^I, v…
Electricity
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