= • CALC A 1.50-m cylinder of radius 1.10 cm is made of a complicated mixture of materials. Its resistivity depends on the distance x from the left end and obeys the formula p(x) a + bx², where a and b are constants. At the left end, the re- sistivity is 2.25 × 10-8 •m, while at the right end it is 8.50 × 10-8 N·m. (a) What is the resistance of this rod? (b) What is the

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.