`sreangsu acharyya wrote:
> On Fri, 16 Feb 2001, ambarish pathak wrote:
> > ligtning is very-high "voltage" and relatively low (in relation to the
> > voltage) curent.
> yeah then inductance is the way to go, ....err I guess ;)
inductance (inherently) tries to opose a change in curent. if the
voltage is high, it'll try to induce a large change in curent, which,
hence, is oposed by the inductors.
as Mario quoted Minasi erlier:
> Make a couple of knots (3-4) in the wires leading up to the
> modem. (telephone as well as power supply remember lightning
> is not very choosey) If your wire is still (knots are
> imperative) long enough, wind or coil it tightly together,
> more the coils better the protection. This will make the surge
> or lightning act against itself. Your wire may get burned due
> to the energy dissipated in it
if u make multiple knots, then u r ading the inductance in series. for
further increase in the inductance, the coils should themselves be made
into a tight loop, which then itself forms another inductor and adds to
the original one. the resultant inductance has second order quotients
and hence resist more. i can't quote any equations for Electrodynamics
wasn't my favorite subject; barely managed to scrape thr'. ;)
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