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Two inductors L(1) and L(2) are at a suf...

Two inductors `L_(1)` and `L_(2)` are at a sufficient distance apart. Equivalent inductance when they are connected (i) in series (ii) in parallel are

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In series combination, `L_(S) = L_(1) + L_(2)`
In parallel combination, `L_(p) = (l_(1) L_(2))/(L_(1) + L_(2))`
As the two inductors are sufficient distance apart, mutual inductance between them is ignored.
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