The volume susceptibility of a magnetic material is 30 - 10 - 4 - Its relative permeability will be -

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Question

The volume susceptibility of a magnetic material is $30 \times 10^{- 4} .$ Its relative permeability will be :-

31 \times 10^{- 4}

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1.003

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1.0003

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29 \times 10^{- 4}

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Solution

The correct option is B $1.003$
$\begin{matrix} A c c o r d i n g t o q u e s t i o n . . . . . μ r = μ / μ_{0} = 1 + X ∣ ∣ ∣ ∣ ∣ \begin{matrix} w h e r e X = s u s c e p t i b i l i t y μ r = r e l a t i v e s u s c e p t i b i l i t y μ = p e r m e a b i l i t y \end{matrix} = 1 + 30 \times 10^{- 4} = 1.003 S o t h a t t h e c o r r e c t o p t i o n i s B . \end{matrix}$

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The volume susceptibility of a magnetic material is 30×10−4. Its relative permeability will be :-

The correct option is B 1.003Accordingtoquestion.....μr=μ/μ0=1+X∣∣ ∣ ∣∣whereX=susceptibilityμr=relativesusceptibilityμ=permeability=1+30×10−4=1.003SothatthecorrectoptionisB.

The volume susceptibility of a magnetic material is $30 \times 10^{- 4} .$ Its relative permeability will be :-