Expression for Coefficient of self induction
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Before defining inductance first of all, we will define an inductor.
Like capacitor, inductor is another component commonly in electronic circuits.
An inductor consists of a coil wound on a core or former of a suitable material like solid or laminated iron. core or ferrites which are highly ferromagnetic substances.
when a current through an inductor changes am emf is induced in it which opposes this change of current in the inductor.
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Refer to the attachment given
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