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I've got a question about the quantity referred to as 'self-capacitance'. From what I can gather, self-capacitance is the amount of charge necessary to generate a 1 Volt E-field between an arbitrary surface and a ground plane @ infinity. This doesn't make sense to me, but that's why I'm hoping someone here can help me understand it!

Typically when people talk about capacitance, it means 'mutual capacitance', the amount of charge @ the surface of the conductor/volt between two conducting surfaces, which makes alot more sense to me...

How would one measure the 'self-capacitance' of a conductor of arbitrary geometry????