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Questions  

The magnetic susceptibility of material of a rod is 599, permeability of vacuum is  4π×107henry/m. The absolute permeability of material of rod in herny/m is__

a
12π×10−5
b
24π×10−5
c
36π×10−5
d
48π×10−5

detailed solution

Correct option is B

Magnetic Susceptibility , χ=μr−1 ⇒χ=μμ0−1 Given : χ=599⇒599=μ4π×10−7−1 ⇒μ4π×10−7=600⇒μ=600×4π×10−5 ⇒μ=24×10-5π μ=24π×10−5henry/m

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The magnetic susceptibility of a material of a rod is 599, permeability of vacuum is  4π×107 henry/m. Absolute permeability of the material of the rod in henry per meter is


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