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Question

(a) 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

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(a) 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.

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

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