A uniform magnetic field parallel to the plan | vedclass

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(B) When a bar of soft iron is placed in a uniform magnetic field such that it is parallel to the field lines,the magnetic lines of force tend to conc

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(B) When a bar of soft iron is placed in a uniform magnetic field such that it is parallel to the field lines,the magnetic lines of force tend to concentrate inside the soft iron bar. This happens because soft iron is a ferromagnetic material with high magnetic permeability. Consequently,the magnetic field lines prefer to pass through the material rather than the surrounding air. This results in an increased density of magnetic field lines within the bar,as shown in Figure $B$.

$A$ uniform magnetic field parallel to the plane of paper existed in space,initially directed from left to right. When a bar of soft iron is placed in the field parallel to it,the lines of force passing through it will be represented by which figure?

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