JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Graphical Questions

  • question_answer
    If induction of magnetic field at a point is B and energy density is U then which of the following graphs is correct

    A)

    B)                           

    C)                                   

    D)

    Correct Answer: A

    Solution :

               If at a place, magnetic induction is B, then energy density will be equal to \[U=\frac{{{B}^{2}}}{2{{\mu }_{0}}}\]. It means, graph between U and B will be a parabola passing through origin and symmetric about U-axis.


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