Heaviside, Oliver, 1850-1925 · London : Macmillan · leaf 72
)l^.,-^^ (2i-l)V1 c/J:/^ 1 + U7) This becomes, when /t = 0, (It ckP 1 ^ ^ 2/ (8) A unit of time of a very convenient magnitude for practical calcula-tions is « = ^,log,.0. Employing this unit, we have the following series for v and — whenX = / and h = 0 :— 1 rr t 1 !l« 1 25« (9) v=r-—(10-i^-- . 10… … By comparison with the arrival-curve for the current at the remote,end when to earth, we see that, broadly speaking, it takes about four ON TELEGRAPHIC SIGNALLING WITH CONDENSERS. 51 times as long for the potential to nearly attain its maximum when theend is insulated as it takes for the current to…
Electricity
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