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A conicalsurface(an empty ice cream cone) carries a uniform surface charge density sigma.The height & radius of the cone are h & R.Find potential difference between apex & centre of the top
OK, you mean this:Kolahal Bhattacharya said:I have started the problem considering a ring ll to circular base.Expressed its radius in terms of its height,R,h.Then, I used the integral(Griffiths:2.30):-(1/4 pi epsilon not) :rofl: integral over (sigma/curly r)da
sigma= surface charge density,curly r=lr-r'l,da=area element