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Relative or absolute permeability from susceptibility (mu = mu0(1 + chi))

This type of question, asked 3 times: May 2022 S1, 3 May 2023 S2, 20 Apr 2025 S1. All 3 questions below, oldest first.

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  1. Question 1

    May 2022 S1

    1
    The magnetic susceptibility of the material of a rod is 349 and permeability of vacuum μ0\mu_0 is 4π×10−74\pi \times 10^{-7} SI units. Absolute permeability of the material of the rod in SI units is

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  2. Question 2

    3 May 2023 S2

    11
    The magnetic susceptibility of the material of a rod is 599. The absolute permeability of the material of the rod will be [μ0=4π×10−7 SI unit][\mu_{0}=4\pi\times10^{-7}\text{ SI unit}]

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  3. Question 3

    20 Apr 2025 S1

    50
    The magnetic susceptibility of iron is 5499. The relative permeability of iron will be

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