Question: A material of resistivity p is formed into a solid, truncated cone of height h and radii r1 and r2 at either end (Fig). (a)

A material of resistivity p is formed into a solid, truncated cone of height h and radii r1 and r2 at either end (Fig).
(a) Calculate the resistance of the cone between the two flat end faces.
(b) Show that your h result agrees with Eq. (25.10) when r1 = r2

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