Step 1:
The self-inductance (L) of a coil is given by the formula:
\[L = \mu \frac{A N^2}{l}\]
where:
- \(\mu\) is the permeability of the material,
- \(A\) is the cross-sectional area of the coil,
- \(N\) is the number of turns in the coil, and
- \(l\) is the
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