The next figure shows a cylindrical shell of internal radius a, a height h and an external radius ba) Suppose there is a potential difference between the inside of the cylinder and the outside. Calculate the electricalresistance for the case where the resistivity is constant: p = Po with po a positive constantb) Repeat the previous point, if now the resistivity varies radially according to the relationp = PıreBr with p, and B positive constantsc) With the result of part a) determine the material of which the cylinder is made if it has a resistance of 1.8µn. Considerthat: a = 2 cm, b= 20 cm, h= 10 cm.d) If the potential difference between a and b was 1 mv. What would be the current that would flow? Use the data frompart c).

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Answered: The next figure shows a cylindrical…

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