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Statement of a problem № 3726

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Two spherical metallic shells of radii a and b (b > a) constitute a capacitor with the outer shell grounded and contact is made with the inner one through a hole in the outer one. Show that the capacitance is given by C = (4pie0ab)/(b-a)

Solution:
Two spherical metallic shells of radii a and b (b > a) constitute a capacitor wi

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