Question

A plot of magnetic flux (ϕ ) versus current (I) is shown in the figure for two inductors A and B. Which of the two has larger value of self inductance?


$\underline{\sf{Answer\: with\: Reason}}$​

Answer 1

Self inductance L= ϕ

Thus, slope of ϕ−I graph gives the value of self inductance. More is the slope, more is the self inductance. Since, line A has more slope, thus inductor A has larger self inductance.

Answer 2

ANS *:-

Self inductance L= ϕ/I

Thus, slope of ϕ−I graph gives the value of self inductance. More is the slope, more is the self inductance. Since, line A has more slope, thus inductor A has larger self inductance.

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