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A spherical capacitor consists of two co...

A spherical capacitor consists of two concentric spherical conductors, held in position by suitable insulating supports (Fig). Show that the capacitance of a spherical capacitor is given by `C=(4piepsi_0r_1r_2)/(r_1-r_2)`

where `r_1 and r_2` are the radii of outer and inner spheres , respectively.

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