Jenny bought a resistor made up of unknown material with color bands (red-green-black-brown-silver) to be used in her school project. She used a multimeter to measure the resistance of the resistor and she found out that the resulting value is exactly the upper limit of the value of the resistance. The length of the resistor is 5 cm and the radius of the cross-sectional area is 1.7011 mm. (Assume that the shape of the resistor is perfectly cylindrical.)            A. Find the resistance value (upper limit)                                                                                                                        B. Find the resistivity of the resistor                                                                                                                                C. What type of material is the resistor made of?

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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.