1.

Magnetic field lines are always nearly normal to the surface of a ferromagnet at every point. (This fact is analogous to the static electric field lines being normal to the surface of a conductor at every point.) Why?

Answer»

Solution :(e) This is because of uniform distribution of magnetic dipoles, PERPENDICULAR to the cross-section of a ferromagnet which compels the magnetising FIELD LINES to be incident normally (PERPENDICULARLY) on the surface at the ENDS.


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