A conducting bar moves as shown near a long wire carrying a constant 50-A current. If a = 8.0 mm, L = 50 cm, and v= 12 m/s, what is the potential difference, V - V.? A B 50 A

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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.