A conducting medium is shaped in a form of a quarter of an annulus of radii b and a (b a) and thickness t. Specific resistance

Question

A conducting medium is shaped in a form of a quarter of an annulus of radii b and a (b> a) and thickness t. Specific resistance of the medium is p. Find the ratio of resistance between faces LMNO and PQRS to resistance between faces LMRS and OPON.

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