JEE Main & Advanced Physics Magnetism Question Bank Graphical Questions

  • question_answer
    The basic magnetization curve for a ferromagnetic material is shown in figure. Then, the value of relative permeability is highest for the point

    A)            P    

    B)            Q

    C)            R    

    D)            S

    Correct Answer: B

    Solution :

               \[B={{\mu }_{0}}{{\mu }_{r}}H\Rightarrow {{\mu }_{r}}\propto \frac{B}{H}\]= slope of B- H curve            According to the given graph, slope of the graph is highest point Q.


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