If a magnetic material is having magnetic susceptibility (χ)=−1, then the relative magnetic permeability (μr) and type of magnetic material is?
0, diamagnetic
2, ferromagnetic
−1, diamagnetic
1, paramagnetic
A
2, ferromagnetic
B
1, paramagnetic
C
0, diamagnetic
D
−1, diamagnetic
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Solution
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Here, χ=−1 then μr=1+χ⇒μr=1+(−1)=I−1=0 Since, magnetic susceptibility of given material is less than one. Hence, the given magnetic material is a diamagnetic material.
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