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? asked in Science & MathematicsPhysics · 8 months ago

Van Der Graaf question?

This guy claims his VDG is 1mV, he used a sphere 320mm with 300mm cylinder inbetween the halfs. According to standard values, 1mV should be aproximatelly 67 cm diameter sphere, and i think his cylinder has much less surface than that. I assume it's probably not 1mV, more like 0.5mV, what you think?

https://www.extremeelectronics.co.uk/static-machin...

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