Question 294: Electromagnetic Induction

Question

A graph of magnetic flux $(\phi)$ versus current (I) is drawn for four inductors A, B, C, D. Larger value of self inductance is for inductor.
![](https://app-content.cdn.examgoal.net/fly/@width/image/1lt63btg9/596e633b-9412-4f4c-9008-5bbdc0aeb9c2/9be1c3a0-d661-11ee-a82b-fb18e77f710c/file-1lt63btga.png?format=png)

Accepted Answer

Draw a line parallel to $\phi$ axis
$\because \phi=\mathrm{LI} \quad 	herefore \mathrm{L}=\frac{\phi}{\mathrm{I}}=$ slope of $\phi-\mathrm{I}$ curve
$	herefore$ We find that the slope is maximum for A
$	herefore$ A has the maximum self inductance as OP is same for all.
![](https://app-content.cdn.examgoal.net/fly/@width/image/1lt63d2ce/fcfd10f6-a382-40fb-bb13-c1f1a01f99c8/be8f53e0-d661-11ee-a82b-fb18e77f710c/file-1lt63d2cf.png?format=png)

Answer

D

Answer

B

Answer

C

Answer

A

Electromagnetic Induction

A graph of magnetic flux (\phi) versus current (I) is drawn for four inductors A, B, C, D. Larger value of self inductance is for inductor.

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