Question: Two conducting spherical shells have radii a = 3 cm and b = 6 cm. The interior is a perfect dielectric for which r =

Two conducting spherical shells have radii a = 3 cm and b = 6 cm. The interior is a perfect dielectric for which r = 8.

(a) Find C.

(b) A portion of the dielectric is now removed so that ∈r = 1.0, 0 < ϕ < π/2, and r = 8, π/2 < ϕ < 2π. Again find C.

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