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A graph of magnetic flux $\phi$ versus current (I) is shown for four inductors $\mathrm{A}, \mathrm{B}$, C, D. Smaller value of self inductance is for inductor
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The correct answer is:
D
We have $\phi=\mathrm{LI} \quad$ or $\quad \mathrm{L}=\frac{\phi}{\mathrm{I}}$
self-inductance is given by the slope of the graph. Slope of line $A$ is maximum, hence it gives maximum value of self inductance.
self-inductance is given by the slope of the graph. Slope of line $A$ is maximum, hence it gives maximum value of self inductance.
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