The plot of magnetic flux ' φ ' linked with the coil versus current ' I ' is as shown in figure for two inductors L₁ and L₂. The self inductance of (a) L₁ is equal to that of L₂. (b) L₁ is less than that of L₂. (c) L₁ is greater than that of L₂. (d) L₁ is half that of L₂.

Answer: (c). φ = LI, so L is the slope of the φ – I graph (the vertical axis label in the figure stands for φ). The line for L₁ is steeper than that for L₂. So the answer is (c): L₁ is greater than L₂.

The plot of magnetic flux ' φ ' linked with the coil versus current '… | MHT CET 2025 (26 Apr, Shift 2)

Q21MHT CET 2025 · 26 APR · SHIFT 2Easy

Self-Inductance & Energy

The plot of magnetic flux ' $\phi$ ' linked with the coil versus current ' I ' is as shown in figure for two inductors $L_1$ and $L_2$ . The self inductance of

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Answer: (c)

$\phi = LI$ , so $L$ is the slope of the $\phi$ – $I$ graph (the vertical axis label in the figure stands for $\phi$ ).
The line for $L_1$ is steeper than that for $L_2$ .
So the answer is (c): $L_1$ is greater than $L_2$ .

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