The magnetic susceptibility of a material of a rod is 599, permeability of vacuum is 4π×10−7 henry/m. Absolute permeability of the material of the rod in henry per meter is
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a
π×10−4
b
24π×10−5
c
3π×10−4
d
4π×10−4
answer is B.
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Detailed Solution
Magnetic Susceptibility, χ=μr−1where μr is relative permeability (μ/μ0) ⇒χ=μμ0−1Given : χ=599 ⇒599=μμ0−1⇒μμ0=600; μ0=4π×10−7 ⇒μ=24π×10−5 henry/meter