Re: Ball lightning caught on tape!



On Tue, 4 Oct 2005 23:11:59 +1300, Jasen Betts
<jasen-b@xxxxxxxxxxxxxxxxxx> wrote:

>On 2005-10-03, ehsjr <ehsjr@xxxxxxxxxxxxxxxx> wrote:
>
>>>>While i'm on the topic, another clip from the show had a lightning bolt
>>>>strike a wet soccer field knocking something like 5 players down and a
>>>>few sent the hospital in ambulances. Is this just a clip of under payed
>>>>soccer stars sucking up to the camera? It seems like the field,
>>>>especially being wet, would be incredibly conductive, but not
>>>>latteraly. Besides, Why would the electricity bother to run through a
>>>>human bady only to go back to it's startting point, the ground? Seems
>>>>pretty ify to me.
>>>
>>>
>>> contrary to popular belief electric current does not exclusively take the
>>> path of least electrical resistance (or the shortest path) if it always
>>> took the path of least resistance turning on the toaster would make the
>>> lights go out.
>>
>> Say what?
>
>read it again... if electricity always took the path with the lowest
>resistance and since a toaster has a lower resistance than most lightbulbs.
>turning on the toaster would offer a lower path or resistance and the
>electricity would flow that way.
>
>This is a form of argument called reductio ad absurdum, showing that soome
^^^^^^^^^^^^^^^^^^^^
reducto ad absurdium

>claim is false by showing that it requires some absurdity.

---
Not _some_ absurdity, but by reducing it to the absurd.
---

>>> a soccer player with his legs apart will experience that voltage.
>>>
>>>
>>> What electricity does do is take the path that provides the lowest voltage
>>> drop
>>
>
>> Right. And it also takes the path the provides the highest
>> voltage drop, and all paths of all voltage drops in between.
>> So the statement is meaningless.
>
>> Source---+---[Z1]---+---Return
>> | |
>> +---[Z2]---+
>> | |
>> +---[Z3]---+
>> | |
>> ~ ~
>> | |
>> +---[Zn]---+
>
>
>I guess I could have expressed that better. (but i'm not sure what to add)

---

All you have to do is show that the charge which flows out of a
voltage source is shared by loads connected to it in parallel:

<--11A
+---[+10V-]---+
| |
| 1A---> |
+----[10R]----+
| |
| 10A--> |
+----[1R]-----+









--
John Fields
Professional Circuit Designer
.



Relevant Pages

  • Re: Explanation of Amps
    ... > kills is not Voltage, ... > first started to read the book in basic electricity and electronics my ... since we offer resistance). ... > with my questions about Amperes. ...
    (sci.electronics.basics)
  • Re: Expressing fractions
    ... >> understand the elementary principles of electricity. ... divided by the voltage. ... The lethality still depends on your resistance and what ... If nothing is connected to it, no water will flow, no matter what the ...
    (sci.lang)
  • Re: Wiring consumer unit and shore power
    ... We do the same jobs using half as much electricity. ... The way I understand it is voltage can be likened to pressure. ... The resistance is a factor of the width of the river. ...
    (uk.rec.sailing)
  • Re: Expressing fractions
    ... A high voltage is not necessarily more ... understand the elementary principles of electricity. ... *produce* 0.1 amps of current through your body? ... The 120-watt bulb has a filament that has a lower resistance to ...
    (sci.lang)
  • Re: Expressing fractions
    ... >> understand the elementary principles of electricity. ... >> survive a pretty high voltage through just one hand. ... The lethality still depends on your resistance and what ... > the measurement in wrong condition. ...
    (sci.lang)