Like water flowing down from high ground, electricity will always flow from a charge of higher potential (or voltage) to lower one.
2007-02-14 02:56:44
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answer #1
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answered by Roy C 3
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When something such as a cloud gets charged to some critical point, it can ionize its environment to some extent. When the region of ionization is strong enough to induce opposite polarity in a neighboring medium, dielectric breakdown causes a discharge, converting the potential energy in the charges to heat, light and sound. (Yes, this can include a plane - I was on a flight over Chicago skies during an early Spring thunderstorm, when the wing visibly glowed with corona, eventually leading to three lightning strikes between the clouds and the aircraft).
2007-02-13 14:48:05
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answer #2
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answered by noitall 5
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Kirchoff's law applies. Taught to legions of EE students who didn't entirely understand its deep meaning, it can be re-phrased as this: "Nobody gets to keep the electrons. They WILL come home. Every one. No exceptions." So, if you get a lot of them somehow stuck somewhere, well, they are headed back to the other side. Clouds to ground, you to doorknobs, your light plug out one pin and in the other.
2007-02-13 13:30:44
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answer #3
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answered by ZORCH 6
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the build of static or free electrons. it occurs because there is too much energy and what ever it is , it need to realese some
2007-02-13 12:50:03
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answer #4
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answered by Dataguard 2
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Because it has been built up or stored.
2007-02-13 12:50:06
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answer #5
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answered by Anonymous
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