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Questions  >>  CBSE XII  >>  Physics  >>  Magnetism and matter
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Why do magnetic lines of force prefer to pass through ferromagnetic substance than through air ?

$\begin{array}{1 1} \text{Permeability of ferromagnetic material is lesser than that of air } \\ \text{Permeability of ferromagnetic material is less than that of air } \\ \text{Permeability of ferromagnetic material is greater than that of air } \\ \text{Permeability of ferromagnetic material is lesser than that of air }\end{array} $

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