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An average emf of 20 V is induced in a...

An average emf of 20 V is induced in an inductor when the current in it is changed from `2.5 A` in one direction to the same valute in the opposite direction in 0.1 s. Find the self inductance of the inductor.

Text Solution

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`("Ldi")/(dt) = epsilon`
`rArr L = (epsilon)/(di //dt) = (20)/((2.5 xx 2)//0.1) = 0.4H`
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