The variation of current $(I)$ and voltage $(V)$ is as shown in figure $A$. The variation of power $P$ with current $I$ is best shown by which of the following graph
Medium
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Power $\mathrm{P}$ in terms of $\mathrm{v}$ is $P=\frac{V^{2}}{R}$ and in terms of $\mathrm{I}$ is $P=\left(I^{2}\right) \times R$
Hence the shape of the curve will be similar but with a different slope.
Therefore option $B$ is correct.
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