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Poor explanation... or is it me?

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David Hess:
I think the biggest capacitor bank I have worked with was the plate glass capacitor on my big tesla coil.  It was about 0.1 microfarads and 20 kilovolts so only 4 joules, but it sure was loud when it shorted out.

IanB:

--- Quote from: David Hess on December 14, 2022, 12:08:05 am ---I think the biggest capacitor bank I have worked with was the plate glass capacitor on my big tesla coil.  It was about 0.1 microfarads and 20 kilovolts so only 4 joules, but it sure was loud when it shorted out.

--- End quote ---

Using E = ½CV² I think that would be 20 J, so no wonder the bang?

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