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Re: Official air breakdown voltage?



Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>

At 09:03 AM 11/27/2005, Tesla list wrote:
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


Distinguish, here, between a spark and a "drawn arc"... Spark means jumping across the gap. Drawn arcs are totally different.