44. (a) What is the equivalent resistance between points A and B? (b) A 276-V emf is connected to the terminals A and B. What is the current in the 12-2 resistor? 15 2 A 276 V= 12 2 24 2 Problems 44, 75, and 76

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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.