A resistor with color bands blue-red-green-yellow-gold has a length of 5 cm. If the material is made out of carbon, how much material (in terms of volume) is present in this resistor? If you are going to change the carbon to glass, how much smaller would it be? (Note, take the lower limit of the final resistance and the resistivity constant of carbon and glass

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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.