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Re: Official air breakdown voltage?



Original poster: "JT Bowles" <jasotb@xxxxxxxxxxx>

exactly. a 12KV spark, at 30MA may only be 1/2 inch long. But, at thousands of amperes, it can stretched to over a foot


From: "Tesla list" <tesla@xxxxxxxxxx>
To: tesla@xxxxxxxxxx
Subject: Re: Official air breakdown voltage?
Date: Sat, 26 Nov 2005 17:00:37 -0700

Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>

At 11:35 AM 11/26/2005, Tesla list wrote:
Original poster: "JT Bowles" <jasotb@xxxxxxxxxxx>

Got it. Thanks, but 30KV/cm is still massive amounts of power for so little space.
Current definately affect sparks the most, I'd say.
Volts isn't power... it's easy to charge yourself up to several tens of kV and produce a nice air spark to a doorknob, but there's not a lot of energy.

Voltage is what gets the spark started, current is what makes it hot.