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1. The region between two concentric conducting spheres with radii a and b is filled with a conducting material with resistivity p. (10 pts) a)

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1. The region between two concentric conducting spheres with radii a and b is filled with a conducting material with resistivity p. (10 pts) a) Show that the resistance between the spheres is given by: R = b) Derive an expression for the current density as a function of radius, in terms of potential difference V., between the spheres

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