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 ?


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Answer 1

Answer:

Self inductance L=

I

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.

Explanation:

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Answer 2

Explanation:

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ϕ =LI

For same current ϕA > ϕB,

so LA >LB i.e.,

Inductor A has larger value of